Iskul Bukol

Iskul Bukol (Lit: School Bruises or School Lump) is a Philippine situational comedy show that originally aired on IBC 13 from October 3, 1978 to 1990. The first incarnation was the Wanbol University era of the sitcom topbilled by Filipino comedians Tito Sotto, Vic Sotto and Joey de Leon; and the second generation of the original sitcom was topbilled by former child wonder Niño Muhlach, Keempee de Leon and Romnick Sarmenta. It was centered on their lives as students of the fictional Wanbol University, parodying its real life counterpart, Arellano University, which was the former setting of the sitcom until the 2011 remake, prior to the campus sitcom Wanbol U.

The sitcom revived by the same network, reformatted as Iskul Bukol: Eskwela Ko, Kaibigan Mo! (English: School Bruises: My School, Your Friend or School Lump: My School, Your Friend), as the curriculum-based sitcom produced by IBC and the Department of Education (DepEd), in line with the classes of public and private high school students from Grade 7 to 12 in the Philippines. Directed by the same director of the original sitcom Bert de Leon, the curriculum-based sitcom stars an ensemble cast, which is led by Joyce Abestano in the title role who plays the role as a VJ, and her acting skills. The Diliman High School era of the sitcom premiered on the network's Weekend Panalo primetime block and worldwide on Global IBC on January 7, 2017. It currently airs every Saturday night from 7:00pm to 8:00pm (PST) after the PBA and streamed live via Facebook pages of IBC and Iskul Bukol.

The second incarnation of the sitcom is currently setting in Diliman High School (based in Captiol Hills, Diliman, Quezon City), the public high school for the sitcom aligned to the K to 12 high school curriculum with DepEd permit. It is one of the longest-running sitcoms in the history of Philippine television and the first ever curriculum-based sitcom since its inception in 2017. As the brainchild of IBC president and CEO Katherine de Castro, the curriculum-based sitcom follows the academic adventures and lessons of Joyce Escalera, a cute and sassy high school girl as high school student of the public high school Diliman High School, which is similar to its real life counterpart, Merry Knowledge Academe, Inc., in the fictional city of Capitol Hills, Diliman, Quezon City. The theme song of the sitcom, also titled Iskul Bukol, is sung to the tune of Elvis Presley's All Shook Up.

It is also considered as the first and only ever curriculum-based sitcom of IBC, the first sitcom of IBC partnered with Secarats, and the second Philippine television sitcom to be broadcast in high definition format after Maya Loves Sir Chief. It is also the first sitcom of Tonton under IBC. The sitcom's popularity has made it a media franchise, as well as the highest rated curriculum-based sitcom to ever air on IBC 13 as the merchandising revenue for the network. Due to its immense popularity and critical acclaim, albums, concerts, and mall tours were spawned. The Department of Education (DepEd), a responsible for the Philippine primary and secondary school systems mandated that the sitcom will be used as a reference for high school classes, value-oriented attitude to enhance an academic performance and be tapped and screened every week with a development, learning, comprehensive lessons and basic understanding of concepts which required in the junior and senior high school curriculum. Iskul Bukol remains IBC-13's longest-running curriculum-based sitcom and one of the most successful sitcoms which has also been known to educate its viewers about Philippine basic education and Filipino learners and made Joyce Abestano as the Comedy Princess on Philippine television, as part of the leading Primetime Princess of IBC.

It is the longest-running curriculum-based comedy series on Philippine television, which aims to enhance the Philippine public educational system through the public high school Diliman High School, in conjunction with the curriculum set by the Department of Education (DepEd).

Main characters
1978-August 30, 1988 September 6, 1988-1990 (Iskul Bukol: Book 2) - These three young and famous teenagers represented the new class for Wanbol University, which is the name of the school in Iskul Bukol as Wanbol High.
 * Joselito "Tito" Escalera (Tito Sotto) - One half of the Escalera brothers, who plots harebrained schemes in every episode.
 * Josemari "Joey" Escalera (Joey de Leon) - The other Escalera sibling. Miss Tapia has a crush on him.
 * Victorio "Vic" Ungasis (Vic Sotto) - the good-looking and smart teacher's pet with a chick-magnet personality. The Escaleras often pick on him during class. Later became a professor of Wanbol University.
 * Liwayway Gawgaw Tapia aka Miss Tapia (Mely Tagasa)† - Wanbol University's resident professor who often gets on the Escalera brothers' nerves. Although she admires Joey, Miss Tapia was romantically connected with Mang Temi. Her favorite student is Victorio Ungasis. (originally from Baltic & Co from 1974 to 1976)
 * Artemis Batongbuhay aka Mang Temi (Bing Angeles)† - the dark-complexioned operator of the university's cafeteria. His name is a play on the Filipino word "itim" (black or dark), rearranged the 70's Filipino way, "Tim-i" or "Tem-i," in the same manner as words in the vernacular are rearranged. Example: bath = ligo = go-li.
 * Tonette Macho (Anthony Roquel) - the gay student who plays as best friend of the fairest girl in class. He is also the nemesis of the Escalera Brothers.
 * Inang or Aling Jacoba (Dely Atay-Atayan)† - Vic's mother from the town of Tiaong, Quezon. Famous for her term of endearment "Bunsooyy!" whenever addressing Vic. The root word "bunso" is Tagalog for youngest child.
 * Sharon Escalera (Sharon Cuneta) - Tito and Joey's younger sister.
 * Viviana "Bibeth" Belibet (Bibeth Orteza) - Vic's female roommate and fellow student.
 * Ritchie "Kabayo" (Richie D'Horsie)† - another fellow student who always copies homeworks from Vic & Bibeth. He is also an accomplice to the Escalera's comedic pranks.
 * Joey Anson (Joey Albert) - a student whom Vic likes.
 * Redford (Redford White)† (1978-1987) - Mang Temi's houseboy and the cafeteria's waiter.
 * Jimmy "Big J" (Jimmy Santos) (1987-1988) - replaced Redford as Mang Temi's cafeteria waiter.
 * Mary aka Miss Magnolia (Mary Massab) - Vic's love interest.
 * Perfecto "Pekto" Pangkista (Ariel Villasanta) - a fellow Wanbol student and part-time waiter at Mang Temi's canteen who dresses like a 70s punk rocker.
 * Mr. Escalera (Rod Navarro)† - The father of the Escalera siblings.
 * Niño Muhlach as Niño Escalera
 * Keempee de Leon as Keempee Escalera / Widyo Sietepares
 * Romnick Sarmenta as Romnick
 * Mely Tagasa as Liwayway Gawgaw Tapia aka Miss Tapia - Wanbol University's resident professor.
 * Bing Angeles as Artemis Batongbuhay aka Mang Temi - the dark-complexioned operator of the university's cafeteria.
 * Anthony Roquel as Tonette Macho - the gay student who plays as best friend of the fairest girl in class. He is also the nemesis of the Escalera Brothers.
 * RJ Ledesma as RJ (September 27, 1988-1990) - the new student at Wanbol University.
 * Nannette Inventor as RJ's superich mother.
 * Jimmy Santos as Jimmy "Big J" - Mang Temi's cafeteria waiter.
 * Rod Navarro as Mr. Escalera  - The father of the Escalera siblings.

Guest characters

 * Pepsi Paloma (1982-1985)
 * Guada Guarin

Back to Iskul Bukol (Wanbol University era)
Back to Iskul Bukol is the 1999 TV sequel to the original Iskul Bukol series also formerly aired on IBC and in cooperation with Vintage Television and Viva Television. De Leon is the only member of the original cast to return. He plays an English literature professor who decides to go back to his old school to teach and wreak havoc like in the old days. Things could not get any worse when he finds out that one of his students, Ludwig von Tapia (Jeffrey Tam), is actually Miss Tapia's love child. The series also starred Val Sotto, Marissa Sanchez, Ruby Rodriguez, Patricia Javier, Gian Sotto (as Jigs), Mausi Wohlfarth (as Mumai), Maui Taylor, Katya Santos and Manny Distor. It also featured cameo roles by Bing Angeles (as Mang Temy) and Mely Tagasa (as Miss Tapia). The show ran for two seasons from 1999 to January 8, 2000.

Its canonicity in the official Iskul Bukol timeline is in question despite the appearance of Gian Sotto and Jeffrey Tam in Iskul Bukol 20 Years After.

Iskul Bukol's Influence
In GMA-7 documentary show I-Witness, presenter Jay Taruc revisited Iskul Bukol and the Philippines’ comedy trio (Tito, Vic, and Joey) in a 2007 retrospective episode titled Wanbol University and discovered that TVJ merchandise was still a hit.

Iskul Bukol Mini-Reunion in 2007
An Iskul Bukol mini-reunion was celebrated on June 30, 2007 in the GMA-7 show Eat Bulaga!'s Bulagaan portion. Mely Tagasa, Tito Sotto, Joey de Leon and Vic Sotto appeared, reprising their roles from Iskul Bukol.

Iskul Bukol: Eskwelang Kwela 'To! (TV5 remake as the Wanbol University era) (2011)
On December 3, 2010, TV5 executive Percy Intalan announced that Iskul Bukol will be remade as a joint project with APT Entertainment. Fred Lo, Sam Y.G., and Alwyn Uytingco will play the three main characters, with Erika Padilla and Regine Angeles in supporting roles. However, Joey de Leon's son Keempee de Leon, who also appeared with his father in the original sitcom, said the new show will not feature any of the original characters nor anyone related to them, although it will still be set in Wanbol University. He added that the series will have partial influences from Glee and How I Met Your Mother.

The remake of the sitcom was aired on TV5 and premiered in May 24, 2011 and ended on September 27 on the same year with a total of 19 episodes. It was directed by Soxie Topacio and Dante Nico Garcia.

Cast and Characters
Other cast Guest cast
 * Keempee de Leon as Joaquin "Wacky" Roque - the teacher's assistant of Wanbol University. His character is patterned after the original sitcom’s Tonette Macho.
 * Alwyn Uytingco as Chill Balidosa - one of the Balidosa twins and a student of Wanbol University. His character is patterned after the original sitcom's Josemari "Joey" Escalera.
 * Regine Angeles as Barbara "Barbie" Que - the ultra-conservative probinsyana of Wanbol University.
 * Sam Y.G. as Easy Balidosa - one of the nororious twins and a student of Wanbol University. His character is patterned after the original sitcom's Joselito "Tito" Escalera.
 * Erika Padilla as Sharon "Shawie" Cunanan - the sporty chic of Wanbol University.
 * Fred Lo as Rudolfo "Rude" Valentino - the youngest professor of Wanbol University. He is patterned to Vic Ungasis from the original sitcom.
 * Jerald Napoles as Vittoria Itor - the student janitor of Wanbol University.
 * Joel Saracho as Ferdinand "Bongbong" Bing - Wanbol University's perfect of discipline and English professor. He is patterned to Miss Tapia from the original sitcom. The classic roles of Miss Tapia and Mang Temi have been rewritten to switch genders forming a male professor, Mr. Bing and a female cafeteria owner, Aning Francia.
 * Tess Antonio as Anita "Aning" Francia - the cafeteria owner of Aning's Coffeeteria, a cafeteria near Wanbol University. She is patterned to Mang Temi of the original sitcom. The classic roles of Miss Tapia and Mang Temi have been rewritten to switch genders forming a male professor, Mr. Bing and a female cafeteria owner, Aning Francia.
 * Lao Rodriguez as Petronilio "Pet" Jacobo - Aning's assistant and the cafeteria waiter of Aning's Coffeeteria.
 * Daiana Menezes as Helga - a sexy schoolmate of Wanbol University. (July 5-Sptember 27, 2011)
 * Jose Manalo as Gaudencio Demet (August 9-September 27, 2011)
 * Wally Bayola (August 9-September 27, 2011)
 * Ricky Davao (August 2, 2011)

Second incarnation (Diliman High School era: 2017–present)
From the revival of the original classic hit sitcom to the Saturday primetime curriculum-based sitcom, a first in Philippine television. The light and funny curriculum-based sitcom which will bring back the glory days of primetime comedies and aligned to the K to 12 high school curriculum where the friendship of high school teenagers. The sitcom is set in the public high school Diliman High School by introducing the three high school girls. Funny and interesting characters revolves around the classmates' friendship with their family and friends, as well as reflects the funny side of high school life.

They become the best of friends, and learning their good values and will surely the viewers laugh while teaching the lession in the hilarious high school story.

Plot
Iskul Bukol follows the high school story of three young girls: the Escalera sisters Joyce (Joyce Abestano), a cute and sassy high school girl and Keith (Keith Cruz), an ordinary high school teenager and Raisa Ungasis (Raisa Dayrit), an attractive and intelligent high school girl, who just studied at the public high school Diliman High School where they learn the lesson about the classmates' friendship of high school life. They learn a valuable lesson in life for the classmates' friendship in Diliman High School when Joyce and Keith's father Tonton (Tonton Gutierrez) involve in the public high school. On their first day at Diliman High School, they meet Ma'am Alodia (Alodia Gosiengfiao)  a very nice teacher who rewarded their classmates and teach the value of the Escalera sisters and her favorite classmate Raisa. Tonton involve Ma'am Alodia to teach and learn the high school classmate Raisa as they involve the friendship of the Escalera sisters Joyce and Keith. In the sitcom, Joyce develops a crush on her boyfriend, Patrick (Patrick Destura), a high school classmate boy. Later on, they meet Ma'am Maxene (Maxene Magalona), a beautiful and smart teacher girl of Diliman High School as Tonton's love interest who loves her classmates despite their lessons inside the classroom and learned on the Escalera sisters and her favorite classmate Raisa Ungasis. Howver, in turn, Keith and Raisa has to deal with Joyce's classmate in the best way they learns how. The first season ends with Keith and Raisa became their acting projects after Joyce became the winner as the classmate of Diliman High School.

In the second season, Joyce is the only child, the eldest and middle child and the only daughter of Tonton and the classmate of Diliman High School as she focus on her learning studies and academic lessons at the public high school. Patrick's good friend Basti (Basti Gonzales) enters the classrom of Diliman High School and starts to develop friendship for Joyce and Patrick. On the other hand, Andrea (Andrea Brillantes) who introduced as a newest transfer classmate at Diliman High School. However, since August 2018, Andrea suddenly disappeared and Alyanna (Alyanna Angeles) took over the classmate at Diliman High School who eventually became a high school villain girl as a rival to Joyce. The season ended when Joyce, their classmates, teachers and her parents celebrates the New Year's party.

In Eskwela Ko, Kaibigan Mo, Joyce became the VJ of the curriculum-based sitcom before the opening intro starts. After the intro, the episode begins with Joyce, a cute and sassy high school girl who studied at the public high school Diliman High School where she search for a learners about the lessons. Angelo (Angelo Acosta) enters the classroom of Diliman High School as a classmate who copies homeworks from Basti. There, Joyce will meet her new classmate AC (AC Bonifacio) at Diliman High School.

Protagonist

 * Joyce Abestano as Joyce Escalera - a cute and sassy high school girl as the classmate of Diliman High School, who plots the lessons about the classmates' friendship in every episode. She was one half of the Escalera sisters as the daughter of Tonton and Keith's half-sister. At present, Joyce is currently the lead role and also portrayed as a host and video jock (VJ) of the sitcom who delivers in particular episode with stories about learners, subjects and lessons as she delivers the intro, comments, spiels and wrapping up of the scenes aside from her acting skills where she narrated as the only child, the eldest and middle child and the only daughter of Tonton. Abestano used her closing line, Hanggang sa susunod episode ng Iskul Bukol, ito po si Joyce/this has been Joyce, na nagsasabing Eskwela Ko, Kaibigan Mo, good night/bye/bye bye/good night, bye to end the sitcom.

Main

 * Tonton Gutierrez as Tonton Escalera - Keith and Joyce's father, later as Joyce's father. Later in the sitcom, Tonton has a relationship on Ma'am Maxene at Diliman High School.
 * Maxene Magalona as Teacher Maxene Gonzaga aka Ma'am Maxene (January 28, 2017, guest cast: episode 4; February 4, 2017-present, main role: episode 5-present) - the beautiful and smart teacher girl of Diliman High School as Tonton's love interest who loves her classmates despite their lessons inside the classroom. She was learned on the Escalera sisters. She admires Joyce, Ma'am Maxene was romantically connected with Principal Oscar and Robby is a coach, and her favorite classmate is Raisa Ungasis. At present, Ma'am Maxene often gets on the nerves of Patrick and her favorite classmate Basti. Although she admires Joyce, Ma'am Maxene was romantically connected with Tonton Escalera.
 * Patrick Destura as Patrick Loyzaga - the very popular high school boy at Diliman High School who develops a crush on Joyce as his love interest.
 * Basti Gonzales as Basti Ungasis - the good-looking but nerdy, smart and well-mannered high school gentleman as the resident genius in Joyce's classmate at Diliman High School as his bestfriend and Patrick's good friend. (June 24, 2017, guest cast: episode 24; January 13-February 3, 2018, guest cast: episode 53-56; February 10, 2018-present: episode 57-present)
 * Mr. Fu as Principal Oscar / Principal Mr. Fu - the principal of Diliman High School. He is very popular with its high school students. known for his expression "may gano'n" (sometimes spelled as "may ganun" or "meganon"). Miss Tapia has a crush on him. He is particularly fond of the Escalera sisters, and is used to seeing Raisa in his office.
 * Tess Antonio as Anita "Aning" Francia / Aling Aning - the cafeteria owner of Aning's Coffeeteria, a cafeteria near Diliman High School. She is patterned to Mang Temi of the original sitcom.
 * Dagul as Sir Dagul (June 1, 2019-present: 123-present) - the dwarf adviser of Diliman High School.
 * AC Bonifacio as AC Diaz (June 23, 2018, guest cast: episode 75; January 5, 2019-present, main role: episode 103-present) - the attractive and intelligent high school classmate who is a dancer and very active as Joyce's bestfriend and Basti's girlfriend at Diliman High School. AC is the meaning of those words which stands for the referrence and using her line, Ang mga eksenang ito ay Rated AC. Academic Curriculum.
 * Angelica Marañon as Angelica Pangilinan - the high school villain girl as a rival to Joyce as the ex-bestfriend and the evil sister of Jef. She was the villainous antagonist of the sitcom. Angelica described as a kontrabida in the sitcom because she always bullying Joyce. She is a bully but on the following parts of the sitcom, she became kind to Joyce and also Andres' girlfriend. At present, Angelica is the pretty classmate who plays as bestfriend of the fairest girl in class of Diliman High School. She is also the nemesis of Joyce and Angelo's girlfriend.
 * Angelo Acosta as Angelo Aguas (January 5, 2019-present: episode 103-present) - Angelica's classmate and boyfriend at Diliman High School who always copies homeworks from Basti and AC. He is also an accomplice to Joyce's comedic pranks.
 * Alyanna Angeles as Alyanna Garcia (August 25, 2018-present, episode 85-present) - the high school villain girl as a rival to Joyce and the evil sister of Queenie. She is the villainous antagonist of the sitcom. Described as a kontrabida in the sitcom because she always bullying Joyce. She is a bully but on the following parts of the sitcom, she became kind to Joyce and also Andres' girlfriend, later Andres' girlfriend.
 * Andres Muhlach as Andres Bautista - the high school classmate boy as Patrisha's friend, later Angelica's boyfriend and recently at present, Alyanna's boyfriend whom Basti likes.
 * Bettina Carlos as Teacher Bettina Tagasa aka Ma'am Bettina (January 5, 2019-present: episode 103-present) - the teacher of Diliman High School as a good friend of Ma'am Maxene and Ma'am Alodia's friend.
 * Lao Rodriguez as Petronilio "Pet" Jacobo (January 5, 2019-present, main role: episode 103-present) - Aning's assistant and the cafeteria waiter at Aning's Coffeeteria.

Supporting
Extended Recurring (Villain High School) - The public high school villainous group are a five of supporting antagonists in the sitcom. Their names are Gerald, Josh, Vincent and Kevin are their villain classmates and Ma'am Bianca as the villain teacher. Villain High School (VHS) is a fake gang of high school evildoers, consisting of Gerald, Josh, Vincent and Kyle that serve the public high school antagonistic faction. VHS was created by the Department of Education (DepEd) to form the public high school villainous group.
 * Raniaah Padilla as Raniaah Escalera (February 10, 2018-present: episode 57-present) - Raniaah is a baby as the youngest child and the only infant daughter of Tonton and the sister of Joyce.
 * Karen delos Reyes as Karen Loyzaga (November 3, 2018-present, episode 94-present) - Patrick's stepmother.
 * Gabriel Lucas as Gabriel Loyzaga (November 3, 2018-present, episode 94-present) - Gabriel is a baby as the youngest child and the only infant son of Karen and the brother of Patrick.
 * Chin Chin Gutierrez as Chin Chin Ungasis (February 10, 2018-present, episode 57-present) - Basti's mother from the town of Old Balara. Famous for her term of endearment "Bunsooyy!" whenever addressing Vic. The root word "bunso" is Tagalog for youngest child.
 * Ryan Ramos (born in April 15, 1982) as Police S/SPO1 Ryan Diaz (February 10, 2018-present: episode 57-present) - AC's father as a policeman who lives in a police-style base in Diliman.
 * Alvin Fortuna as Alvin Pangilinan (January 5, 2019-present: episode 103-present) - Angelica's father.
 * Jef Gaitan as Jef Pangilinan (February 10, 2018-present, episode 57-present) - Angelica's stepmother.
 * Jaypee de Guzman as Jaypee Aguas (January 5, 2019-present: episode 103-present) - Angelo's father.
 * Queenie Rehman as Queenie Garcia (August 25, 2018-present, episode 85-present) - Alyanna's stepmother.
 * Dante Ponte (born in October 15, 1969) as Dante Bautista (February 10, 2018-present, episode 57-present) - Andres' father.
 * Fenech Veloso as Fenech Velasco (February 10, 2018-present, episode 57-present) - Joyce's classmate/friend and Nathaniel's girlfriend.
 * Dexie Diaz as Dexie Laxamana (February 10, 2018-present: episode 57-present) - Joyce's classmate/friend and Miguel's girlfriend.
 * Raymond Bagatsing as Raymond Velasco (February 10, 2018-present: episode 57-present) - Fenech's father.
 * Matthew Mendoza as Anthony Vega / Matthew Laxamana - Patrisha's father, later Dexie's father.
 * Mianne Fajardo as Mianne Gaviola - Joyce's classmate/friend, later Andrea's classmate/friend and currently as Angelica's classmate/friend.
 * Sajj Geronimo as Sajj Solizar - Joyce's classmate/friend, later Andrea's classmate/friend ans currently as Angelica's classmate/friend.
 * Nathaniel Britt as Nathaniel Guevara - Patrick's classmate/friend and later Fenech's girlfriend.
 * Miguel David as Dexter Romero / Miguel Moreno (February 10, 2018-present: episode 57-present) - Patrick's classmate/friend and later Dexie's boyfriend.
 * Gwen Garimond as Gwen Remulla (February 10, 2018-present: episode 57-present) - Basti's classmate/friend and Mianne's boyfriend.
 * Benedict Inciong as Benedict Salamante (February 10, 2018: episode 57-present) - Bsati's classmate/friend.
 * Aries Ace Espanola as Jimmy Pedrosa / Aries Pedrosa - Sajj's classmate/friend and later Basti's classmate/friend.
 * Antonio Tria as Antonio Aguas (February 10, 2018-present: episode 57-present) - Basti' classmate/friend.
 * Veyda Inoval as Veyda Ababa (February 10, 2018-present: episode 57-present) - Angelica's classmate/friend.
 * Marcine Panganiban as Marcine Vega (February 10, 2018-present: episode 57-present) - Angelica's classmate/friend.
 * Alodia Gosiengfiao as Teacher Alodia Montenegro (January 7-28, 2017, main role: episode 1-4; February 4, 2017-present, supporting role: episode 5-present) - the very nice teacher and the librarian at the library of Diliman High School who teached on the value of the Escalera sisters and a good manner of Tonton, later Ma'am Maxene's friend.
 * Spencer Reyes as Mr. Spencer (February 10, 2018-present: episode 57-present) - the school bus driver of Diliman High School.
 * Robby Mananquil as Robby Arellano - the coach of volleyball in Diliman High School where the respective high school volleyball teams competed against each other for a varsity match (Team Joyce vs. Team Angelica / Team Joyce vs. Team Alyanna); later Ma'am Maxene's bestfriend who used to teach her.
 * Klariz Magboo as Teacher Klara Orteza aka Ma'am Klariz (January 5, 2019-present: episode 103-present) - the teacher and the nurse at the school clinic of Diliman High School.
 * Sheena Belarmino (born in December 14, 2005) as Sheena (June 1, 2019-present: 123-present) - AC's classmate of Diliman High School.
 * Krystal Brimner (born in December 3, 2006) as Krystal (June 1, 2019-present: 123-present) - AC's classmate of Diliman High School.
 * Zymic Jaranilla (born in May 20, 2004) as Zymic (June 1, 2019-present: 123-present)
 * Luke James Alford (born in October 13, 2004) as Luke (June 1, 2019-present: 123-present)
 * Trajan Moreno as Trajan (June 1, 2019-present: 123-present)
 * Gina Pareño as Aling Gina (February 10, 2018-present, episode 57-present) - Joyce's grandmother.
 * Tart Carlos as Dorina "Doris" Malasig (February 10, 2018-present, episode 57-present) - Patrick's nanny in the Loyzaga family.
 * Viveika Ravanes as Isabel "Sabel" Fortuna (February 10, 2018-present, episode 57-present) - Doris' close friend and a cook/maid in the Loyzaga family.
 * Dang Cruz as Yaya Janice - the maid for the Ungasis parents, later the maid for the Diaz family.
 * Carlo Tirona as Carlo Santos - the news anchor and the news reporter for various news reports and other events in Capitol Hills, Diliman, Quezon City for television news broadcast. Carlo is seen frequently in the series on the news. (Occupation: News announcer/reporter)
 * Gerald Pesigan as Gerald Palanca (January 19, 2019-present, episode 105-present) - the high school classmate as the leader of Villain High School (VHS).
 * Josh Yape as Josh Zambala (January 19, 2019-present, episode 105-present) - Gerald's classmate at Villain High School (VHS).
 * John Vincent Servilla as Vincent Paderna (January 19, 2019-present, episode 105-present) - Gerald's classmate at Villain High School (VHS).
 * Kyle Kevin Ang as Kevin Balara (January 19, 2019-present, episode 105-present) - Gerald's classmate at Villain High School (VHS).
 * Bianca King as Ma'am Bianca Varga (July 7, 2018, guest cast: episode 77; May 25, 2019-present, recurring cast: episode 122-present) - Gerald's villainess teacher and the villain teacher of Villain High School as a villain to the ex-best friend of Ma'am Maxene as a high school teacher.

Former
Main Supporting Extended Recurring
 * Keith Cruz as Keith Escalera (January 7, 2017-February 3, 2018: episode 1-56) - an ordinary high school teenager. She is the other Escalera sisters as the daughter of Tonton and Joyce's half-sister.
 * Raisa Dayrit as Raisa Ungasis (January 7, 2017-February 3, 2018: episode 1-56) - the attractive and intelligent high school girl. The Escalera sisters often study on her during class. She is a high school classmate of Diliman High School.
 * Patrisha Samson as Patrisha Vega (January 7, 2017-February 3, 2018: episode 1-56) - the pretty classmate who plays as bestfriend of the high school girl in class of Diliman High School. She is also the good friend of the Escalera sisters.
 * Mely Tagasa† (born in April 16, 1935) (January 7, 2017-April 7, 2018: episode 1-64) as Liwayway Gawgaw Tapia aka Miss Tapia - the resident teacher of Diliman High School who often gets on the nerves of Principal Oscar. Although she admires Tonton Escalera and her favorite classmate is Raisa Ungasis.
 * Justin Ward as Justin Aquino (January 7, 2017-February 3, 2018: episode 1-56) - Keith's bestfriend and Patrick's classmate/friend.
 * Harold Rementilla as Harold Montero (January 7, 2017-February 3, 2018: episode 1-56) - Raisa's male classmate as a boyfriend and Patrick's classmate/friend.
 * Victor Basa as Victor Tejada (January 7, 2017-December 29, 2018, episode 1-102) - Aning’s assistant and the cafeteria waiter of Aning's Coffeeteria.
 * Chantal Videla as Alyssa Umali (January 7, 2017-February 3, 2018: episode 1-56) - another high school classmate at Diliman High School who always copies homeworks from Raisa and Harold. She is also a pretty comedic pranks of the Escalera sisters.
 * Andrea Brillantes as Andrea Garcia (February 10, 2018-August 18, 2018: episode 57-84) - Andrea is introduced into the curriculum-based sitcom as a new transfer classmate at Diliman High School who always copies homeworks from Joyce and Patrick. She is also an accomplice to Joyce's comedic pranks and Basti's girlfriend.
 * Amanda Lapus (born in June 1985) as Teacher Amanda Magdayao aka Ma'am Amanda (January 7, 2017-December 29, 2018, episode 1-102) - the beautiful teacher and the nurse at the school clinic of Diliman High School as a good friend of Ma'am Alodia and Ma'am Maxene's friend.
 * Cacai Bautista as Aling Cacai (January 7, 2017-February 3, 2018: episode 1-56) - Keith's nanny and the maid in the Escalera family.
 * Gian Sotto (born in March 18, 1978) as Rommel Ungasis (January 7, 2017-February 3, 2018: episode 1-56) - Raisa's father.
 * Giselle Sanchez as Angelique Loyzaga (January 7, 2017-February 3, 2018: episode 1-56) - Patrick's mother.
 * Melanie Marquez as Melanie Loyzaga (February 10, 2018-October 27, 2018, episode 57-93) - Patrick's mother.
 * Manny Castañeda as Jaime "Lolo Jaime" Loyzaga (January 7, 2017-February 3, 2018: episode 1-56) - Patrick's grandmother.
 * Caridad Sanchez as Valen "Manang Valen" Vega / Manang Caridad (January 7, 2017-February 3, 2018: episode 1-56) - Patrisha's grandmother.
 * Zhyvel Mallari as Zhyvel Fernandez (January 7, 2017-February 3, 2018: episode 1-56) - Joyce's back-up classmate/friend.
 * Lorin Gabriella Bektas as Lorin Alexandra (January 7, 2017-February 3, 2018: episode 1-56) - Joyce's back-up classmate/friend.
 * Eric Quizon as Eric Garcia (February 10, 2018-August 18, 2018: episode 57-84) - Andrea's father.
 * Denise Laurel as Ma'am Denise Garcia (January 19, 2019-April 5, 2019, episode 105-116) - Gerald's villainess teacher of Villain High School as a villain to Ma'am Maxene as the high school teacher.

Development
27 years after the end of the original TV sitcom, this will be first revealed by Tito Sotto, Vic Sotto and Joey de Leon on the October 27th episode of the top-rating noontime show Eat Bulaga! (aired on GMA). Tito, Vic and Joey voiced their ten-minute resentment over IBC management and Tonton Gutierrez will be accepting a sitcom for IBC, the former station of Tito, Vic and Joey (currently topbill for Joey in the Saturday primetime comedy gag show T.O.D.A.S.) as they eventually brought back and revive Iskul Bukol due to public clamor as one of the most popular and trend-setting sitcoms in the history of Philippine television that will be reformatted and adopted into a first-ever curriculum-based sitcom aligned to the K to 12 high school curriculum albeit catering to a young audience, which will be topbilled by Tonton in the new incarnation and revival of the sitcom and will feature the pretty and cute Escalera sisters, Ungasis and a high school teacher girl as the main characters. "Magbabalik Na, Iskul Bukol, Ngayon Nasa Diliman High School Na!" trended on Twitter for several hours after the announcement. With the rebirth, revival and reformattion of the new Iskul Bukol happened, the public high school as the new setting, a new era and a learner-centered story already introduced and the new set of high school characters (a mix of its high school students from junior and senior, all-female teachers, male principal, female cafeteria owner and male coach).There will be continuity between the house settings and the public high school setting.

Four days later on October 31, 2016, IBC president and CEO Boots Anson-Roa announced that Iskul Bukol made a comeback after 17 year hiatus and this time, they are no longer part of Wanbol University because they unveiled the concept of the curriculum-based sitcom under the partnership of Secarats Talent Management Services, a production partner and line producer of the sequestered network under the leadership of the owner and producer Francis Custodio Abuan, Jr. took over the rebirth and revival of the sitcom that would like to concentrate on the high school education in over public schools which regulated by the Department of Education (DepEd), a responsible for the K–12 basic education, with a young demographic of IBC and Secarats-produced content. According to DepEd, IBC decided to change their format anew and the setting of Iskul Bukol from the long-time fictional Wanbol University (original setting) to the learner-centered and curriculum-based public high school Diliman High School, which will provide high quality of education with DepEd permit for high school as the current setting for the revival of the sitcom by focusing on the hilarious side of high school life as a new format similar to ABS-CBN's defunct youth-oriented sitcom Luv U (2012-2016) and the high school classroom setting of PTV's very popular curriculum-based educational program CONSTEL English which will be the same as the very popular high school uniforms (Filipino: uniporme or kasuotang pampaaralan) where the color scheme for the uniform are white blouse with pick necktie and black skirt for females and white polo with lining on the pocket, pick necktie and black pants for boys which will be commonplace in the public high school in order to appeal to a new generation of the sitcom. She also added that the Diliman High School era of the legendary sitcom will coincide the administration of President Rodrigo Roa Duterte, which became popular after assume his office in June 30, 2016. The next day, auditions are open to all public high school students only (both junior and senior) for the new cast took place at Manhattan Parkway Residences in Quezon City in November 1, 2016.

During the trade launch of the new IBC on November 19, 2016 at the Bonifacio Global City Open Field in Taguig City, in line with the new format is the high school level, IBC and Secarats unveiled the 70s and 80s sitcom Iskul Bukol was revived and returned to Philippine television that will be adopted into a first-ever curriculum-based sitcom, a first in Philippine TV history, which will focus on the hilarous side of high school life. Composed of today's hottest female teen stars: Bida Best 2016 second runner-up and the Comedy Princess Joyce Abestano, the Runaway Princess Keith Cruz and the Comedienne Princess Raisa Dayrit as the three pretty high school teenagers (collectively known as Iskul Bukol Girls), with the King of All Media Tonton Gutierrez in his very first primetime TV sitcom in 33 years and will be the role as a father of Joyce (Abestano) and Keith (Cruz). The teen triumvirate is a 2.0 version of Tito, Vic and Joey.

IBC and Secarats developed the current shift from a legendary sitcom to a curriculum-based sitcom as a new format that will cater to a young audience were teens and young girls (13- to 19-years-old and above) learned for both junior and senior high school teenagers in all public schools. This is the second sitcom of IBC to be shot in HD or high-definition camera.

Since February 10, 2018, the curriculum-based sitcom became a full-fledged production of IBC and a co-production of IBC Entertainment Group, Secarats and DepEd. The same day, the sitcom started to feature a backgrounder courtesy of DepEd to further educate viewers on the subjects and importance of Filipino learners among the junior and senior high school students, the views of high school students and teachers, and educational tips (Eskwelang-Kwela Tips) about Diliman High School in their particular episode after their scenes and before commercial breaks, and after commercial breaks and before back to their scenes.

On February 13, 2018, Iskul Bukol launched the exclusive behind-the-scenes and interviews of the cast and crew in the network's website.

A fully renovated season called Iskul Bukol: Eskwela Ko, Kaibigan Mo!, which is based on IBC 13's corporate tagline and slogan Kaibigan Mo (Your Friend), premiered on January 5, 2019, in line with the network's relaunch and re-branding as the Kaibigan network. The show is fully produced by IBC and DepEd. The same day, the sitcom will be the film-style format like a movie and adopted a new theme song for Iskul Bukol with the additional lyrics in order to attract a younger viewing audience for FIlipino learners, especially for high school students and teachers. The theme song of the curriculum-based sitcom with the same title will be arranged and mixed by Jimmy Antiporda.

IBC president and CEO Katherine de Castro touted the creation of a curriculum-based comedy series which particularly aims to educate and empower viewers about Philippine basic education and Filipino learners to most high school students and teachers in an effort to teach them "learners learn best", with DepEd proclaiming the sitcom as required viewing in all public and private schools (junior and senior), particularly Diliman High School as the main setting of the sitcom.

Casting
The casting was finalized in November 18, 2016 during the trade launch of the new IBC at the Bonifacio Global City Open Field in Taguig City. Iskul Bukol marks the first project of Bida Best 2016 second runner-up Joyce Abestano in her major sitcom debut, the first sitcom of Keith Cruz in her second project after the early primetime curriculum-based teleserye Glory Jane and the second project of Raisa Dayrit landed in her breakthrough role after Hulog ng Langit, where they became the trio entitled Iskul Bukol Girls created the primetime curriculum-based sitcom. This is also the first sitcom of King of All Media Tonton Gutierrez under IBC after 33 years of being show business and gained popularity itself as a father of Joyce. They are joined by the Cosplay Queen Alodia Gosiengfiao, who will be making her sitcom debut in IBC through the show as the high school teacher. Patrick Destura landed his third project after he portrayed the role in Glory Jane and the host of the kiddie game show Fun House and the very first sitcom of IBC, playing the role of Patrick Loyzaga, the very popular high school boy who develops a crush on Joyce. The sitcom also marks the first project of Mr. Fu under IBC, playng the role of Principal Oscar. Mely Tagasa, who plays the role of Miss Tapia in the original 70s and 80s sitcom, returns on IBC and this time as the only member of the original cast to turned into a curriculum-based sitcom as the resident teacher of Diliman High School. Justin Ward also joined the curriculum-based sitcom and his second project after Glory Jane, the second project of Harold Rementilla after Hulog ng Langit, and the sitcom debut of Andres Muhlach (son of actor Aga Muhlach, actress and former beauty queen Charlene Gonzales and his daughter Atasha Muhlach). Meanwhile, the show also marks the return of Tess Antonio to IBC, playing the role of Aning Francia. Victor Basa also marks another project of IBC after Mars Ravelo's Roberta.

In January 28, 2017, it was announced that Maxene Magalona will be a guest star in her fourth episode, However, her guesting eventually turned into a regular stint by joining the sitcom as one of the main cast after signed a contract with IBC in February 1, 2017 as her first Kapinoy appearance and portrayed the role as a beautiful and smart teacher girl of Diliman High School as Tonton's (Gutierrez) love interest.

In January 2018, Basti Gonzales finaly joined the sitcom as another guest character, playing the role of Basti Ungasis. Prior to his main cast, Gonzales was a first guest star on June 24, 2017. However, in the following episodes, his guesting eventually turned into a regular stint by joining the sitcom as the good-looking but nerdy, smart and well-mannered high school gentleman, Joyce's bestfriend and Patrick's good friend.

In February 3, 2018, Keith Cruz and Raisa Dayrit along with Patrisha Samson left the sitcom due to their numerous prior comments, while Chantal Videla also left the sitcom due to expiration of her contract with Secarats and transferred to ABS-CBN to became part of Star Magic Circle 2018.

Following the 1st anniversary celebration of the curriculum-based sitcom and the departure of Cruz and Dayrit, in line with the golden rebranding of IBC since November 8, 2017 with the relaunch of the national slogan, station ID and theme song Trese ng Bayan (Thirteen of the Nation) on January 29 in the same year as the golden standard in Philippine television and in vein with ABS-CBN's Coco Martin-starrer FPJ's Ang Probinsyano, Iskul Bukol begins to change the era of the curriculum-based sitcom from the trio (Joyce, Keith and Raisa) to a solo starrer as the Comedy Princess Joyce Abestano became the lead star as the current era of the curriculum-based sitcom to feature a female lead in February 10, 2018, while Tonton Gutierrez, Maxene Magalona and Patrick Destura continued as the main cast, and Basti Gonzales became the main cast. Mr. Fu, Mely Tagasa, Andres Muhlach, Angelica Marañon, Tess Antonio and Victor Basa became main casts of the sitcom. In addition, Andrea Brillantes joined for the first time in the sitcom in the same month in February 10, 2018 as part of her debut with Secarats, playing the role of Andrea Garcia. She paired with her classmates Joyce and Patrick, while she reunited with her co-former Annaliza co-stars Mianne Fajardo and Sajj Geronimo where they became a supporting roles of the sitcom as their bestfriends of Andrea.

On March 24, 2018, Mely Tagasa died in her stroke after being in a coma for a week. Her death left a big void in the show. On March 31, 2017 (Black Saturday), the whole cast of Iskul Bukol paid tribute to her via the two-hour TV special Paalam... Miss Tapia. After Mely's death, the show aired only one episode which she taped before she died.

On August 24, 2018, Andrea Brillantes left the sitcom due to expiration of her contract with Secarats and numerous prior commitments (including the then-upcoming drama, Kadenang Ginto). Alyanna Angeles replaced Brillantes as Muhlach's new love interest and joined the cast in the same month, playing the role of Alyanna Vega.

On January 5, 2019, in celebration of its 2nd anniversary of the curriculum-based sitcom, Joyce will be accepted as a host and video jock (VJ) for the sitcom who delivers in particular episode with stories about learners, subjects and lessons as she delivers the intro, comments, spiels and wrapping up of the scenes aside from her acting skills where she narrated. In every episode, there is a lesson to be learned with a developmental message, which serves as a reinforcement of the day's learnings, along with trivias and questions and answers. Abestano used her closing line, Hanggang sa susunod episode ng Iskul Bukol, ito po si Joyce/this has been Joyce, na nagsasabing Eskwela Ko, Kaibigan Mo, good night/bye/bye bye/good night, bye to end the sitcom. The same day, as part of the network's 2nd anniversary celebration of the curriculum-based sitcom, Several new cast members include AC Bonifacio, Angelo Acosta, Bettina Carlos and Lao Rodriguez joined the sitcom as Joyce's (Abestano) classmate/good friend and Basti's (Gonzales) girlfriend AC Diaz, Angelica's (Marañon) boyfriend Angelo Aguas and Aning's (Tess Antonio) assistant and the cafeteria waiter Pet Jacobo. Prior to her main cast, Bonifacio was a guest star on June 23, 2018.

On June 2019, dwarf actor, comedian and politician Dagul finally joined the cast as a regular stint, playing the role of Sir Dagul. This marks his first Kaibigan appearance after three months of absence from the limelight and his electoral loss as an independent candidate.

Original story conference
On November 20, 2016 in Broadcast City, Captiol Hills, Diliman, Quezon City, before starting the production, a story conference for Iskul Bukol was held with the original director Bert de Leon and Nilyano Retna. The stellar cast, production team and IBC and Secarats management and executives were present at the storycon. They watched some clips of the original sitcom whose enjoyed watching the sitcom that they grew up in the 70s and 80s in order to regain with a young audience, particularly involve the high school teenagers from both junior and senior. The new concept of Iskul Bukol made a comeback, but not in Wanbol University in favor of the Diiman High School era in terms of using a high school uniforms at the age of 13 to 19 years old and above; and coincide under the K–12 basic education curriculum of the Department of Education (DepEd) and the administration of President Rodrigo Duterte, the sitcom will now be set in Diliman High School, the public high school where the Escalera sisters, Raisa Ungasis and most of the teenagers of Capitol Hills, Diliman, Quezon City attend, as well as the high school teacher Ma'am Alodia and Principal Oscar in order to attract the teen demographics, with DepEd proclaiming the sitcom as required viewing in all public high schools.

Taping
The production is set to shot in the fictional city of Capitol Hills, Diliman, Quezon City and began to record on November 25, 2016 at the studio-based setting in Studio 5 and 6 of IBC located in Broadcast City (with four house buildings, including the houses of Joyce (Joyce and Tonton) with act out scenes during the taping of IBC and Secarats-produced situational comedy where the setting for the curriculum-based sitcom will be in Joyce's public high school Diliman High School (a yellow building with the same lettering and Philippine flag: one classroom (teacher's school desk in front of the chalkboard, 18 classmate desks and aircon), principal's office (with aircon), library (with aircon), bathroom, science laboratory, school clinic (with aircon) and computer laboratory (with aircon), while the characteristic in the public high school, including hallways, trophy cases, school pictures, school bells, school activities (including coronation day and foundation day) and field frips with several high school classmates) along with the stage, canteen/recess and Aning's Coffeeteria (cafeteria)) where most of the comedy takes place, and will premiere on January 7, 2017. Also, the sports complex (Celebrity Sports Plaza at Capitol Hills Drive, Diliman, Quezon Cty); the local TV channel (IBC); and various restaurants and stores. Located across the street from the Diliman High School is an unsuccessful rival public high school Villain High School (VHS) since 2019.

The sitcom composed of an executive producers, director, head writer, education consultant, research department representive, editors, production manager and scriptwriter of IBC and Secarats, and consultants from the Department of Education (DepEd). It is geared towards at the age of 13 to 19 years old and above. When the crew began production on the pilot, they were tasked with designing the settings where most of the comedy would take place, such as Joyce's house and Diliman High School.

Marketing
During commercial gap of IBC and Secarats-produced romantic-comedy series, You Light Up My Life, the teaser released on December 5, 2016 by using the locally-produced 3D-animated CGI teaser with some clips of the original sitcom on YouTube, Tito, Vic and Joey remembered the sitcom Iskul Bukol during the 70s and 80s, the original sitcom was aired on IBC from 1978 to 1990. Now almost 40 years, the original sitcom Iskul Bukol made a comeback and this time will be in Diliman High School for high school teenagers.

On December 10, 2016, IBC also released the teaser trailer for the sitcom on YouTube, using the locally-produced 3D-animated teaser featuring Abestano, Cruz and Dayrit at Diliman High School. Another 3D-animated CGI teaser followed on December 14, and once again featuring Abestano, Cruz and Dayrit for the new Iskul Bukol as the Diliman High School era. On December 23, 2016, the full-length trailer was released. Soon after, the trailer became a top trending topic nationwide on the social networking site Twitter. Two days later, the official poster was released.

Promotion
On December 29, 2016 at the IBC headquarters in Broadcast City at 5:00pm, a press conference will be held for the introduction of the curriculum-based sitcom with the representatives of DepEd. The media ask the members of the sitcom various questions. The following media and the leading newspapers that published articles about Iskul Bukol are Manila Bulletin, The Philippine Star, Philippine Daily Inquirer, Sun Star, ibc.com.ph, news.ibc.com.ph, PEP.ph, Starmometer, BusinessWorld, showbiz-portal.com, Tempo, ShowbizNest, Malaya, DepEd, Manila Standard Today, The Manila Times, Abante Tonite, etc.

On January 1, 2017, this led the network to launch Joyce Abestano, Keith Cruz and Raisa Dayrit as co-hosts and performers in the youth-oriented musical variety show Hey it's Fans Day! as a teen trio Iskul Bukol Girls where they promote the sitcom with Tonton Gutierrez (the father of Joyce) and the millennial cast of the new Iskul Bukol as the millennial high school era, including the launch of a new website for the curriculum-based (iskulbukol.ibc.com.ph) and the introduction of new merchandising.

On January 6, Mely Tagasa guested as a celebrity player in the game show Who Wants to Be a Millionaire? as she placed in the hot seat to play for the P2 million, followed by another appearance of Gutierrez in the late-night entertainment news program Showbiz Unlimited. On January 7, before the pilot episode of the sitcom premiered tonight, Joyce, Keith, Raisa and Tonton visited the noontime variety show APO Tanghali Na! where they promoted the sitcom.

Timeslot
As the primetime slot of IBC retained the traditional dramas and fantaseryes from Monday to Friday as the network's Primetime Ang Dating block according to the management, the Diliman High School era of Iskul Bukol is set to premiere and occupying the Saturday night timeslot on January 7, 2017 at 7:15pm right after PBA and before Joe D'Mango's Love Notes which returned to its original timeslot (8:00pm) while Express Balita Weekend moves to a new timeslot at 9:00pm, before the back-to-back comedy programs Maya Loves Sir Chief which in turn move to a new timeslot at 9:30pm and T.O.D.A.S. moved to a new timeslot at 10:15pm, while IBCinema also moved to 11:15pm slot, as part of Weekend Ang Dating primetime block.

40th anniversary (2017)
As part of its 57th anniversary of IBC, the sitcom celebrated its 39th year anniversary since its inception wayback in 1978 on March 4, 2017 with a reunion special celebration episode as a trending topic #IB40thReunionParty. Original cast members are the legendary comedy trio Tito Sotto, Vic Sotto and Joey de Leon (whose currently hosting the longest-running noontime variety show Eat Bulaga! on GMA) reunited once again on the sitcom after 9 years (with Iskul Bukol 20 Years After (Ungasis and Escaleras Adventure)) with Mely Tagasa who reprised their roles from Iskul Bukol with Tito, Vic and Joey, Anthony Roquel, Bibeth Orteza and Jimmy Santos in a reunion special with a reunion party. This will be in Diliman High School, the learner-centered and curriculum-based public high school as the current setting for the the longest-running sitcom on Philippine TV with Joyce Abestano, Keith Cruz and Raisa Dayrit as the three high school girls, Tonton Gutierrez, Maxene Magalona and Patrick Destura, along with Mr. Fu, Patrisha Samson, Justin Ward, Harold Rementilla, Chantal Videla, Andres Muhlach, Nathaniel Britt, Angelica Marañon, Alodia Gosiengfiao, Amanda Lapus, Tess Antonio, Victor Basa and Robby Mananquil. Giann Solante also appeared as the guest.

1st anniverasry of the Diliman High School era (2018)
The curriculum-based sitcom celebrates its first anniversary of the Diliman High School era on January 6, 2018, which they kicked off a month-long celebration with a month-long Iloilo special for Keith, Raisa and Alodia; and a 5 special love team episodes. Sofia Andres and Diego Loyzaga appeared on the sitcom as the special guest in a special 5 loveteam episodes to promote their movie Mama's Girl and their then-upcoming campus drama series BFF, in which they played their romantic college student couple as Wanbol loveteam whose teached at the public high school to meet the high school classmate Joyce. During this 5 special loveteam episodes, Sofia and Diego gaves a chance to bring back the fictional Wanbol University (succeeding Tito, Vic and Joey; Sam Y.G., Fred and Alwyn; and now targets the young adults only (19 to 25 years old and above), which became the recurring college and university students instead of the setting prior to February 18, 2017 episode with Filipino figure skater Michael Christian Martinez as a special guest star as Wanbol University student, April 1, 2017 episode with Kenzo Gutierrez as a special guest star as Wanbol University student, May 6, 2017 episode with Jon Lucas as a special guest as Wanbol University student, July 22, 2017 episode with Kyle Vergara as a special guest star as Wanbol University student, November 11, 2017 episode with Kiko Estrada as a special guest star as Wanbol University student) in addition to the learner-centered and curriculum-based public high school Diliman High School (for teens: 13 to 19 years old and above) as the current setting for the sitcom. On January 27 and February 3, Chino Lui Pio as the college professor and their college students Abel Estanislao, Claire Bercero, Mariel Pamintuan and CJ Navato are their special guest stars to promote their campus drama in a special appearance as the new generation of Wanbol students where they meet the high school classmate Joyce with Mianne and Sajj, and Wanbol loveteam Sofia and Diego at Diliman High School.

Since then, for the first time in history, from 2017 to 2019, as part of this very special guest every Saturday for the recurriing episode, the curriculum-based sitcom will also feature a selected young adult and mature stars as a college student of the fictional Wanbol University, appeal to the young adults, which appeared to Diliman High School as the public high school. It became a recurring episode of the curriculum-based sitcom where the young adult generation of Wanbol students meets its high school students at Diliman High School.

December 15, 2018 marks the curriculum-based show's 100th episode on television.

The curriculum-based sitcom celebrated its second anniversary on January 5, 2019. The anniversary concert titled Eskwelang-Kwela Party, Iskul Bukol The 2nd Anniversary Concert at the Smart Araneta Coliseum on January 20, 2019. People who were young children as high school students when it started 2 years ago are still watching the curriculum-based sitcom and think it's funny while learning. December 7, 2019 marks the curriculum-based show's 150th episode on television.

The curriculum-based sitcom celebrated its third anniversary on January 4, 2020. The anniversary concert titled Eskwela Ko, Kaibigan Mo, Iskul Bukol The 3rd Anniversary Concert at the Smart Araneta Coliseum on January 13, 2020.

Iskul Bukol: The Album
A self-debut album composed of ten music medley tracks featuring TVJ. It was released in 1980 under Canary Records, a product of OctoArts International, Inc.

Iskul Bukol Medley

 * 1) Bale, Bale (Macho Man)
 * 2) Body Odor (Body Language)
 * 3) Barado (Love Boat)
 * 4) Black & White (American Dream) - feat. Mang Temi and Redford White
 * 5) Utang (Love Hurts) - feat. Richie D'Horsie
 * 6) Middle East Connection (Rainbow Connection)
 * 7) Reprise (Macho... Manggagancho!!!)
 * 8) Mekekekwe (Lover's Holiday)
 * 9) Maskuladang Syota (Can't Stop The Music)
 * 10) Lome (Love Me)
 * 11) Stainless Gin (Fama)

Iskul Bukol: The Album
On May 24, 2017, due to the success of the curriculum-based sitcom. IBC Records under the music sub-label Secarats Records and Ivory Music & Video released the original soundtrack album of the sitcom. entitled Iskul Bukol: The Album. Composed of ten music tracks featuring Iskul Bukol cast, including Joyce Abestano, Keith Cruz and Raisa Dayrit. It includes the theme song and eight covers and revivals. The physical copy of the album is available in leading music stores and digitally via Spotify, iTunes, Guvera, Deezer, Rdio and Amazon Music. A sing-along album with the Video CD Karaoke as Sing-Along to Iskul Bukol: The Album released on July 3, 2017.
 * 1) Iskul Bukol (composers: Vic Sotto, Joey de Leon) - Joyce Abestano
 * 2) Paikot-Ikot (composer: Mon Espia) - Joyce Abestano
 * 3) Dadaanin Ko Na Lang Sa Kanta (composer: Vehnee Saturno) - Keith Cruz
 * 4) Ang Boyfriend Kong Baduy (composers: Vic Sotto, Joey de Leon) - Raisa Dayrit
 * 5) Estudyante Blues (composer: Freddie Aguilar) - Patrick Destura
 * 6) Tambalang OMG (composers: Jasper Lukban, Nica del Rosario) - Joyce Abestano and Patrick Destura
 * 7) Ponytail (dance) - Joyce Abestano, Keith Cruz and Raisa Dayrit
 * 8) Tatlong Bente Singko (composer: Rannie Raymundo) - Patrick Destura
 * 9) E Text Mo Ako (composer: Christian Martinez) - Joyce Abestano
 * 10) Beh Buti Nga (composer: Dennis Garcia) - Patrick Destura and Joyce Abestano

Dance Hits from Iskul Bukol
The Iskul Bukol OST soundtrack was released under IBC Music under the music sub-label Secarats Records, led by the show's theme song, Iskul Bukol by Joyce Abestano. The physical copy of the album is available in leading music stores and digitally via Spotify, iTunes, Guvera, Deezer, Rdio and Amazon Music.
 * 1) Iskul Bukol (composers: Vic Sotto, Joey de Leon) - Joyce Abestano
 * 2) Estudyante Blues (composer: Freddie Aguilar) - Patrick Destura
 * 3) Titser's Enemi No. 1 (composer: Mike Hanopol) - Basti Gonzales
 * 4) Tanggo Boogie Cha Cha (composer: Lito Camo) - Tonton Gutierrez
 * 5) My Teacher Kong Classmate (composer: Lito Camo) - Maxene Magalona
 * 6) Eskwelang-Kwela (a tune of Opisina by Willie Nepomuceno) (composer: Garry Cruz, arranger: Albert Tamayo) - Joyce Abestano
 * 7) Iskul Meganon (composers: Lito Camo) - Mr. Fu
 * 8) Volley Volley Volleyball (a mix of eurodance, novelty and rap) (composers: Christian Martinez) - Joyce Abestano
 * 9) No Touch (composer: Rey Valera) - Patrick Destura and Basti Gonzales
 * 10) Classmate Talaga (a tune of the hit song Get Your Sparkle On) (composers: Melchora Mabilog) - Joyce Abestano

Iskul Bukol: Eskwela Ko, Kaibigan Mo! Album
The Iskul Bukol OST soundtrack was released produced by IBC and DepEd, under IBC Music under the music sub-label Secarats Records, led by the show's theme song, Iskul Bukol by Joyce Abestano.

The physical copy of the album is available in leading music stores and digitally via Spotify, iTunes, Guvera, Deezer, Rdio and Amazon Music.
 * 1) Iskul Bukol (Eskwela Ko, Kaibigan Mo) (composers: Vic Sotto, Joey de Leon) - Joyce Abestano
 * 2) Classmate Kada (a tune of Summer Sunshine by Holly Lindin) - Joyce Abestano
 * 3) Taga-Kaibigan (a tune of Turning Japanese) - Patrick Destura
 * 4) Mag-Aral Muna (a tune of Cruella de Vil by Dr. John) - Basti Gonzales
 * 5) Klase Kaibigan (a tune of Sallute by Little Mix) - Joyce Abestano
 * 6) In or Out (composer: Lito Camo) - Tonton Gutierrez
 * 7) My Guro Talaga (a tune of Babae Po Ako by Raisa Dayrit) - Maxene Magalona
 * 8) Mag-Aral Ako (a tune of E Text Mo Ako) - Joyce Abestano
 * 9) I Got A Volleyball (a tune of Ponytail by Badanamu feat. Jess) - Joyce Abestano
 * 10) Classmate Mo, Classmate Ko (a tune of We're All Dudes) - Patrick Destura and Basti Gonzales
 * 11) Do You Learn Me (a tune of Do You Love Me by 2NE1) - AC Bonifacio
 * 12) Sagot Kita (composer: Lito Camo) - Mr. Fu
 * 13) Kwela Kwela (a tune of Record Breaker by Sarah Geronimo) - Joyce Abestano

Ratings
The premiere episode of Iskul Bukol debuted on January 7, 2017, and scored a national TV rating of 24.8%, considered as the curriculum-based sitcom became the most-watched program on its premiere, and dominated its competitors, including ABS-CBN's premiere of Your Face Sounds Familiar: Kids which registered 31.4% and GMA's Pepito Manaloto: Ang Tunay na Kwento which only got 19.5%, according to data from Kantar Media. Aside from dominating the ratings game and the household viewership, Iskul Bukol also won the hearts of its high school students and upgrading teaching skills of secondary teachers, compared to the curriculum-based educational programs and dominates the social media as the #IskulBukolPremiere became a nationwide trending topic on Twitter because of the positive tweets posted by viewers about the sitcom. Since then, the Diliman High School era of Iskul Bukol became a household name as the top-rating curriculum-based sitcom among the young viewers of its high school students in over public high schools, according to the K–12 high school curriculum of the Department of Education (DepEd) and Kantar Media ratings.

On February 4, 2017, Iskul Bukol topped the Saturday primetime TV ratings and received the national TV rating of 23.7% with the hashtag #IBMyTeacherGirl which gained the nationwide trending list on Twitter, compared to ABS-CBN's Your Face Sounds Familiar: Kids (35.9%) and GMA's Pepito Manaloto: Ang Tunay na Kwento (21.4%), placing its 7th in the most watched program on Saturday based on Kantar Media.

On September 16, 2017, the sitcom proved its supremacy by receiving a national TV rating of 25.3%, compared to its rival programs like ABS-CBN's talent-variety-talk show Little Big Shots (32.5%) and GMA's Pepito Manaloto: Ang Tunay na Kwento (19.9%).

Iskul Bukol moves to a new timeslot from 7:15pm to 7:45pm, which hit an all-time high national TV rating of 38.5% on February 10, 2018, beating its rival programs Pilipinas Got Talent which got 35.9% and Pepito Manaloto: Ang Tunay Na Kwento which only got 17.6%. Since then, Iskul Bukol's ratings proved that it is considered as one of the most-watched sitcom in the Philippines and also the #1 curriculum-based show on Philippine TV, according to the high school curriculum of DepEd and data from Kantar Media ratings.

On November 3, 2018, the sitcom was moved to an earlier timeslot from 7:45pm to 7:00pm by expanding into a full-hour curriculum-based program and proved its dominance garnering a national TV rating of 35.5% in its first place, beating its competitors, ABS-CBN's Home Sweetie Home (22.7%) and GMA's Pepito Manaloto: Ang Tunay na Kwento (21.1%). Considered one of the most-watched sitcoms in the Philippines, it is well received by the public due to its value-laden and lesson-filled stories, life lessons, learners and K-12 tips.

On January 19, 2019, the sitcom beat its previous all-time high rating, and garnered a national TV rating of 38.1% with its episode #IBSurvivalKwela, placing its 2nd in the most watched program of that same day, compared to Home Sweetie Home (22.0%) and Pepito Manaloto: Ang Tunay na Kwento (20.8%).

Citation from DepEd
Joyce Abestano was given a certificate of appreciation for her favorable portrayal as a highly dedicated and intelligent high school student of Diliman High School, the main setting of Iskul Bukol given in the 118th Department of Education (DepEd) Founding Anniversary, which redefines the role of field offices, which include regional offices, division offices, district offices, and public and private schools.

Films
The series spawned multiple movie incarnations from 1978 to 1987 and a reunion movie in 2008 that depicts the characters 20 years after the end of the original television series and a curriculum-based movie in 2018 due to its popularity:
 * Iskul Bukol the Movie (1978)
 * Iskul Bukol Freshmen (1980)
 * The Best of Iskul Bukol: The Movie (1987)
 * Iskul Bukol 20 Years After (Ungasis and Escaleras Adventure) (2008)
 * Iskul Bukol: The Diliman High School Movie (2018)

Licensing and branded merchandise
IBC and Secarats advantage of the curriculum-based sitcom discovered the merchandise and the partnership with IBC Store entitled Iskul Bukol Items, the merchandise (Iskul Bukol Collection, Iskul Bukol Collectibles) that produce a school supplies (notebooks, pencils, erasers, bags and backpacks, pencil case, watches, ballpen), Diliman High School uniforms and P.E. T-shirts and jogging pants, dolls, paper dolls, wall clocks, comic books, stickers, posters, pins, puzzles, trading cards, board games, calendars, tumblers, among others are also being sold available in the market, like supermarkets, supermalls, malls and much more in Mega Manila and nationwide in very affordable prices; Iskul Bukol app and Iskul Bukol Mobile Game App available on Android, iOS and Google Play, plus video games aligned to the K to 12 high school curriculum. Millennial ratings and merchandise sales showed Iskul Bukol has caught on with parents and with public high school students.
 * Iskul Bukol Magazine - Iskul Bukol's curriculum-based comic book-story magazine for high school students, released by a Philippine curriculum-based TV show, which regularly feature comics and news about the sitcom, in partnership with Department of Education (DepEd).
 * Iskul Bukol Online - Iskul Bukol's official website, where viewers, fans and supporters can view information about the curriculum-based sitcom, read fun facts about the cast, get an update on the events, learners and lifestyle, view photos and videos on-set, send their requests to high school students of Diliman High School and the casts, and even chat with them. It is also the the curriculum-based online channel to watch your daily webisodes about learners and lessons; and Iskul Bukol educational videos (including secondary students and teachers).
 * Iskul Bukol Encore - An encore replay airing of the yerterday's episode that is aired on Secarats TV.

Settings used by Iskul Bukol

 * Wanbol University (1978-1990, 1999-2000, 2011)
 * Diliman High School (2017-present)

Awards and nominations
In its 2017 relaunch, Iskul Bukol got a winning nod from the Star Awards for Television formed by the Philippine Movie Press Club (PMPC) and its lead star Joyce Abestano got the Best New Female TV Personality that year.

Trivia

 * The revival of the 70s and 80s sitcom is now part of Saturday primetime, instead of Tuesday primetime (in the original 70s and 80 sitcom) because of the daily primetime dramas.
 * This sitcom is the TV production from the alliance of IBC-13 and Secarats Talent Management Services since 2015.
 * This is Joyce Abestano's debut as a teen actress in television.
 * This sitcom is a reunion project with some of the cast members, including: Keith Cruz, Patrick Destura and Justin Ward (Glory Jane), Raisa Dayrit, Harold Rementilla, Patrisha Samson and Aries Ace Espanola (Hulog ng Langit), Patrisha and Aries Ace (You Light Up My Life).
 * The sitcom will now setting in Diliman High School, the learner-centered and curriculum-based public high school because of the junior high school and senior high school as the teen demographic at the 13- to 19-year-old and above; instead of Wanbol University (in the original 70s and 80s sitcom).
 * It is the first sitcom of Tonton Gutierrez under IBC after 33 years in being show business.
 * It also marks the return of Mely Tagasa under IBC after 27 years. Mely is the only original cast of the sitcom as she play the role of the resident teacher of Diliman High School.