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IMDbPro

Eondeokeobeo Haiseukul

  • TV Series
  • 2025–
  • TV-14
  • 1h 10m
IMDb RATING
7.8/10
2.5K
YOUR RATING
POPULARITY
1,917
25
Seo Kang-joon in Eondeokeobeo Haiseukul (2025)
Undercover High School Teaser
Play trailer0:44
1 Video
42 Photos
ActionComedyThriller

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 ... Read allAce 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.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.

  • Stars
    • Seo Kang-joon
    • Jin Ki-joo
    • Kim Min-ju
  • See production info at IMDbPro
  • IMDb RATING
    7.8/10
    2.5K
    YOUR RATING
    POPULARITY
    1,917
    25
    • Stars
      • Seo Kang-joon
      • Jin Ki-joo
      • Kim Min-ju
    • 26User reviews
    • 3Critic reviews
  • See production info at IMDbPro
  • Episodes12

    Browse episodes
    TopTop-rated1 season2025

    Videos1

    Undercover High School Teaser
    Trailer 0:44
    Undercover High School Teaser

    Photos41

    View Poster
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    + 38
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    Top cast15

    Edit
    Seo Kang-joon
    Seo Kang-joon
    • Jeong Hae-seong
    • 2025
    Jin Ki-joo
    Jin Ki-joo
    • Oh Soo-ah
    • 2025
    Kim Min-ju
    • Lee Ye-na
    • 2025
    Kim Shin-rock
    Kim Shin-rock
    • Seo Myeong-joo
    • 2025
    Kim Young-ah
    Kim Young-ah
    • Soo-ah's Mother
    • 2025
    Jeon Bae-soo
    Jeon Bae-soo
    • Ahn Seok-ho
    • 2025
    Park Se-hyun
    Park Se-hyun
    • Ahn Yoo-jeong
    • 2025
    Lee Seo-hwan
    Lee Seo-hwan
    • Kim Hyeong-bae
    • 2025
    Jo Bok-rae
    Jo Bok-rae
    • Go Young-hoon
    • 2025
    Lee Min-ji
    • Kim Ri-an
    • 2025
    Park Jin-woo
    • Park Jae-moon
    • 2025
    Yoon Ga-yi
    • Park Mi-jeong
    • 2025
    Lee Hyun-so
    • Han Seung-jae
    • 2025
    Shin Joon-hang
    • Lee Dong-min
    • 2025
    Oh Yong
    • Head teacher
    • 2025
    • All cast & crew
    • Production, box office & more at IMDbPro

    User reviews26

    7.82.5K
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    10

    Featured reviews

    10PalmBeachG

    10 All Around!

    10 all around! Has suspense, mystery, action, romance, comedy and the cutest ML who is doing a great job playing an elite agent and undercover student in an elite high school. Finally, the FL is a match for the ML (cute and an equal, confident). Great job in casting.

    This series takes you on an emotional roller coaster as the ML also has his own secret mission - and that is to not fail his dad who was also an elite agent and has been missing for 20 years.

    Of course the high school does have some bullying and the way the ML handles it is heart warming - great script.

    One last note is that this drama is easy going and NOT too violent - very easy to watch but at the same time thrilling scenes.
    10asmrsatisfyingslimebest

    BEST KDRAMA OF 2025 (MUST MUST WATCH)

    I just finished the 8th episode so far its so good cant wait for the next episode. It keeps on getting better the twist and the story is really amazing, when you see a episode you are soo thrilled to watch the next episode you cant wait. Thats how this drama is. I wish this drama wins the best drama of 2025, the main lead in this drama and his acting is AMAZING he is soo good, this is the first time i see his drama and i must say i am amazed. Also the female lead is also really good. Those who chose the actors i must say they are really good. The cast, cinematography, direction, story and action was all amazing, i loved itt.

    THE SUMMARY OF UNDERCOVER HIGH SCHOOL

    Jeong Hae-seong, an NIS agent who was demoted after a major incident that occurred during an operation, and later he is tasked with a special mission of tracking down the whereabouts of Emperor Gojong's missing gold bars. Hae-seong hides his identity, goes undercover as a high school student at Byeongmun High School, and meets Oh Su-a, his homeroom teacher. Su-a, a devoted teacher to her students, begins to notice the similarities between Hae-seong and her childhood first love, who left her heartbroken and filled with painful memories.

    GENRE - Action, comedy, spy

    OVARALL REVIEW- A must must watch kdrama, wont regret watching it.
    6pranayjalvi

    Second half was not even half of what First half was.

    Starring Seo Kang Joon and Jin Ki Joo, Undercover High School is a action drama that happens within a school, as the name suggests. With giving any spoilers, the drama starts strong, with some suspense and twists, good action and mature storytelling. The first half is engaging, although there are unserious moments at times.

    While the start was strong, the second half of the show falters to some extent, as there was not much fun left to the premise. I won't say the show is skippable, but it surely doesn't have a rewatch value.

    While the show is a mystery-spy themed, the drama also focuses on tougher subjects like school bullying, student hierarchies, and the politics which govern the lives of both students and teachers.

    A little romance with comedy elements in regular intervals somehow keeps the drama balanced. Maybe not strongly recommended as there are better dramas in this genre, but Undercover High School is a fun and watchable drama that does silly and clever things simultaneously.

    3 stars for 'Undercover High School'.
    10yourseoulfully

    Kick buttowski

    In this era of K-dramas like "Squid Game" and "All of Us Are Dead," sometimes we just need a breather, don't we? "Undercover High School" serves that purpose beautifully. As the title suggests, it follows the story of an NIS agent who goes undercover. The series is action-packed, fun, spontaneous, and intense, while also sprinkling in humor and a touch of romance.

    The acting is top-tier, and the chemistry between the leads is captivating. It has been a while since we've had characters with such distinct antagonistic roles, making it interesting to watch the events unfold. My only complaint is that it was too short-only 12 episodes, oh my gosh! The drama struggled to focus on the couples, but I still craved and enjoyed their screen time together so much! Hae-song was literally born to play this role.

    It's definitely worth a watch, period. Thank you for taking the time to read this! I hope you enjoy the series and have a wonderful day!
    5jhnkyv

    Starts ok but ends bad

    Halfway through, we found ourselves just waiting for the show to finally be over. It felt like a waste of time, but I'm the kind of person who needs to finish what I've started, even if I'm not enjoying it. The acting was average at best-nothing special or memorable.

    There was far too much unnecessary drama, the supposed comedy didn't land at all, and the ending was painfully predictable. We honestly don't understand how this show has such high ratings. Maybe it's appealing to people who haven't seen many shows before or are watching a Korean drama for the first time.

    So save your time or do not expect too much!! Don't believe the hype!!

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    Storyline

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    Details

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    • Release date
      • February 21, 2025 (South Korea)
    • Country of origin
      • South Korea
    • Official sites
      • Kocowa (United States)
      • Naver (South Korea)
    • Language
      • Korean
    • Also known as
      • Undercover High School
    • Production companies
      • Neo Entertainment
      • Slingshot Studio
    • See more company credits at IMDbPro

    Tech specs

    Edit
    • Runtime
      1 hour 10 minutes
    • Color
      • Color

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