Teach You a Lesson vs Undercover High School
Teach You a Lesson has the higher audience score (10/10 against 8/10 for Undercover High School). Undercover High School is the older of the two (2025 against 2026). Both are comedy, drama shows, so they suit a similar mood. Both feature Jin Ki-joo.
Teach You a Lesson
Undercover High School| Teach You a Lesson | Undercover High School | |
|---|---|---|
| Audience score | ★ 10.0/10 | ★ 8.0/10 |
| Year | 2026 | 2025 |
| Seasons | 1 | 1 |
| Genres | Comedy, Drama | Comedy, Drama |
| Country | KR | – |
| Creator / director | Hong Jong-chan | Choi Jeong-in |
| Main cast | Kim Moo-yul, 임진웅, Song Young-gyu, Kim Jong-soo, Lee Sung-min | Kim Shin-rock, Jin Ki-joo, Yoon Ga-i, Kim Min-ju, Yun Chae-bin |
Synopsis
Teach You a Lesson
When respect collapses in schools, unconventional inspectors arrive to set things right — with sharp, no-nonsense lessons you won't find in textbooks.
Undercover High School
Ace NIS agent Jung Hae-seong is demoted after a mission failure. He goes undercover at a high school to locate King Gojong's missing gold, meeting his teacher Oh Soo-ah, who sees him as her lost first love, stirring old heartbreak.
Where to watch
Where to watch Teach You a LessonWhere to watch Undercover High School
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