Difference between revisions of "Teach You a Lesson"

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Drama: Teach You a Lesson (English title) / True Lessons (working title)
Revised romanization: Chamkyoyook
Hangul: 참교육
Director: Hong Jong-Chan
Writer: Chae Yong-Taek (webcomic), Han Ga-Ram (webcomic), Lee Nam-Kyu
Network: Netflix
Episodes:
Release Date: June 5, 2026
Runtime:
Language: Korean
Country: South Korea

Plot Synopsis by AsianWiki Staff ©

School teachers have a hard time to discipline students and they often don’t even have the will to do so. The authority of the teachers in the classroom breaks down and this causes serious social issues. The National Assembly and the Minister of Education passes the Amendment to the Act on the Protection of Teachers' Rights. With the passage of the law, a new government organization, the Educational Rights Protection Bureau, is formed. Na Hwa-Jin (Kim Moo-Yul) belongs to the Educational Rights Protection Bureau. He is sent to a problem school as a supervisor. There, he can educate the students without any restrictions or limitations.

Notes

Based on webcomic "Chamkyoyook” written by Chae Yong-Taek & illustrated by Han Ga-Ram (first published November 1, 2020 via Naver).

Cast



Kim Moo-Yul	Lee Sung-Min	Jin Ki-Joo	Pyo Ji-Hoon
Na Hwa-Jin	Choi Gang-Seok	Im Han-Rim	Bong Geun-Dae

Daehan High School Case



Lee Chan-Yong	Jeong Soo-Hyun	Lee Seung-Gyu	Kim Do-Geon	Kang Joon
Kim Gyeong-Min (ep.1)	Park Dae-Seok (ep.1)	Ryu Jun-Hyeong (ep.1)	Kim Gwang-Su (ep.1)	Kim Hak-Jae (ep.1)



Song Young-Kyu	Kim Eun-Seok	Jeon Kwang-Jin	Kwak Kyoung-Hwa	Choi In-Sun
Ryu Gwang-Pil (ep.1)	Principal Kim (ep.1)	teacher (ep.1)	teacher (ep.1)	substitute teacher (ep.1)

Park Wan-Kyu

Park Dae-Seok's dad (ep.1)

Guun High-Tech High School Case



Jeon Bong-Seok	Lee Tae-Hwan	Yoo Tae-Joo	Ok Jin-Wook	Kim Chan-Hyung
Kim Hyeong-Ju (ep.2,4)	Jang Kwon-Hyuk (ep.2)	Park Seong-Hwan (ep.2,4)	Cho In-Beom (ep.2,4)	Du-Mok (ep.2)



Sung No-Jin	Yoon Woon-Yong	Byun Yoon-Jeong
principal (ep.2)	teacher (ep.2)	Kim Hyeong-Ju's mom (ep.2)

Soyeon Girls' High School Case



Lee Sang-Hee	Park Seo-Yoon	Kwon Hyuk	Kim Se-Yeon	Jeong Seo-Yeon
Jung Seon-Yeong (ep.3)	Han Ye-Ri (ep.3-4)	Ko Yeong-Su (ep.3)	Jung So-Yeong (ep.3)	Ko Yeong-Su's wife (ep.3)



Park Yong	Lee Si-Young	Seo Dong-Hyun	Park Bo-Bae
principal (ep.3)	Jung Seon-Yeong's friend (ep.3)	Oh Jung-Hwan (ep.3)	Park Hyeon-Ju (ep.3)

Chukmyeong Foreign Language High School Case



Choi Duk-Moon	Bae Jun-Hyung	Kim Sun-Hwa	Sim Su-Bin	Lee Hannuri
Cheon Sang-Yeol (ep.4)	Park Hyeon-Ung (ep.4)	Jung Su-Jeong's mom (ep.4)	Jung Su-Jeong (ep.4)	teacher (ep.4)



Lee Dong-Ho	Gu Bon-Jin	Kim Tae-Yoo	Park Seung-Hyun	Ok Il-Jae
institute teacher (ep.4)	Park Hyeon-Ung's dad (ep.4)	institute staff (ep.4)	detective (ep.4)	prosecutors' office investigator (ep.4)

Han Ki-Jang

lawyer (ep.4)

Hyeongjung Elementary School Case



Song Si-An	Park Ji-Yeon	Choi Ja-Yoon	Jang Hee-Jung	Kang Ji-Eun
Choi Ji-Seon (ep.5)	Lee Ji-Young (ep.5)	Kim U-Jin (ep.5)	Lee Young-Mi (ep.5)	Principal Kim Ji-Eun (ep.5)



Kwon Dong-Ho	Yoon Hyun-Gil	Lee Ji-Hae	Lee Su-Ho	Han So-Hyun
Kim U-Jin's dad (ep.5)	Choi Ji-Seon's mom (ep.5)	Kang Seo-Jun's mom (ep.5)	Kang Seo-Jun (ep.5)	bank teller (ep.5)



Kim Sung-Yong	Lee Eun-Joo
bank manager (ep.5)	prosecutor (ep.5)

Others



Park Kwan-Woo	Son Da-Yeon	Jung Myung-Kun
Im Han-Rim's classmate (ep.4)	Im Han-Rim's classmate (ep.4)	Prison Guard Yoon (ep.4)

Additional Cast Members:

Ha-Young - Choi Ga-Yun
Kim Jong-Soo - Hwang Gi-Tae
Kim Byung-Choon - Lee Cheol-Myeon
Lee Bong-Joon - Cho Gyu-Cheol
Lee Ho-Cheol - reporter (ep.1-2)
Jin Si-Won - reporter
Choi Sol-Hee - assemblywoman (ep.2-3)
Baek Ji-Hye - Hwang Gi-Tae's aide (ep.4)
Lee So-Geum - detective (ep.4)
Lee Seung-Jin - teacher (ep.4)
Seo Kwang-Jae - hearing chairperson (ep.4)

Trailers

Comments

squi Jun 06 2026 7:44 am @Saranghae tbh, i don't even think this drama is exaggerated. Teachers are cowards. And this does happen in real life. There are alot of bullying cases in korea, especially with hierarchy involved, and even worse than this. Maybe you should do more research.

Saranghae Jun 06 2026 7:00 am What I think is that this drama is exaggerated and unreal. Where is this happening? Moreover, where are all the teachers????? Doesn't anyone see that in the classrooms and in the hallways of the school there are children being abused????? Come on, give me a break ?‍♀️?‍♀️?‍♀️

Lalala Jun 06 2026 6:12 am Love that Kim Nam-Gil rejected this drama and got Kim Muyeol as replacement. I love both actor but this character has similar image with Kim Hae-il. Meanwhile Kim Muyeol fits the role perfectly. Imagine Kim Hae-il and Na Hwa-jin meet, I don't think evils would dare messing up with them

augmentedmelon Jun 06 2026 4:59 am now that we got study group and true education, we need a to not die drama (cast me as dajun please), also to not die the webtoon was shown in the gambling episode

maria.georgianne Jun 06 2026 1:32 am is it just me? i find hwa jin and han rim's chemistry sooooo??? please i'm hoping this will end with them

Jamse Jun 05 2026 10:21 pm Is it just me, or does Na Hwa Jin resemble actor and WWE star Jon Cena?

RM Jun 05 2026 6:57 pm 10/10 The whole ERPB team was aura farming especially na Hwa jin and Choi gang seok. Han rim and geun Dae were great too Spoiler

My only disappointment is that Hwa jin should've beaten up that gyu cheol even more in the climax than just the whole circle kind of emotional moment with forgiveness again. I would've crashed out if minister Choi hadn't come to gyu cheol and list out his crimes and saying he'll never step foot into the school again

gha Jun 05 2026 4:23 pm I really thought Kim Nam Gil was the main lead but when I watched Kim Moo Yul, she was super good. It's really like that, whoever is the second choice, the drama will really be a hit because she's good and the lead is great❤

F Jun 05 2026 12:23 pm Is Im Han-rim the daughter of the owner of Hanlim Gym? I read her story in manhwa.. she was the one who coaches the uncle of Yoon Ga-min to be a fighter. Does it mean that she's older than Ga-min's uncle? And Get Schooled/True Education comes first to Study Group? Please someone summarized the Blue String Universe? ?

Hamidah Ashari Jun 05 2026 11:24 am Simply awesome. Love it!!

M3rry Jun 05 2026 10:38 am Gooooood from the begining But i dont like jin ki joo For this role suit for shin hye sun ??

Riri Jun 05 2026 10:26 am I miss Song Young-gyu . :(

aleput Jun 05 2026 8:48 am uhhhhh i know i will finish all the episodes in a day! so good since the beginning!!!!

Lee Jun 05 2026 8:40 am Awesome start ftom ep.1! Really loving this genre. Can't wait for season 2 already!

Kdrama lover May 23 2026 3:19 pm Looks like a tamer Battle Royale.

Teach May 13 2026 11:40 pm Looks good...with Fiery Priest vibes...heheheh

maysilee May 08 2026 8:29 am seated for kim moo yul! his previous projects always amazed me <3

Marvel Apr 15 2026 9:33 am Heard so many controversies surrounding the plot from the webtoon, but it makes me even more excited to watch it, especially with these casts. Look forward to it.

neniinduhd Aug 14 2025 10:23 pm waahhh, my fav webtoon. can't wait

asphen Jun 19 2025 4:52 am seated for jin kijoo and lee sungmin, i already know this drama is going to be amazing!

newtopia Mar 24 2025 9:20 pm seated for jin kijoo!! Can't wait to see her on screen!

@@ Line 173: / Line 173: @@
 ===Hyeongjung Elementary School Case===
-{{CastPictures11
+{{CastPictures12
 |1picture=File:Teach You a Lesson-Song Si-An.jpg
 |1name=Song Si-An
@@ Line 204: / Line 204: @@
 |10name=Han So-Hyun (1994){{!}}Han So-Hyun
 |10charactername=bank teller (ep.5)
-|11picture=File:Teach You a Lesson-Lee Eun-Joo1.jpg
+|11picture=File:Teach You a Lesson-Kim Sung-Yong.jpg
-|11name=Lee Eun-Joo (1980){{!}}Lee Eun-Joo
+|11name=Kim Sung-Yong (actor){{!}}Kim Sung-Yong
-|11charactername=prosecutor (ep.5)
+|11charactername=bank manager (ep.5)
+|12picture=File:Teach You a Lesson-Lee Eun-Joo1.jpg
+|12name=Lee Eun-Joo (1980){{!}}Lee Eun-Joo
+|12charactername=prosecutor (ep.5)
 }}

Difference between revisions of "Teach You a Lesson"

Revision as of 04:20, 6 June 2026

Contents

User Rating

Profile

Plot Synopsis by AsianWiki Staff ©

Notes

Cast

Daehan High School Case

Guun High-Tech High School Case

Soyeon Girls' High School Case

Chukmyeong Foreign Language High School Case

Hyeongjung Elementary School Case

Others

Trailers

Comments

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Comments