
Once Upon a Time in High School
Spirit of jeet kune do.
Directed by Yoo Ha
Produced by CJ Entertainment, Sidus
A 1970s-set coming-of-age drama about a principled student navigating a brutal school hierarchy through martial arts skill and moral conviction.
A model student transfers to the notorious Jungmoon High School known for its severe corporal punishment by teachers and power struggles between school gangs.
Clusters
Questions people ask
Is Once Upon a Time in High School violent? Yes. More violent than 88% of films.
Is Once Upon a Time in High School scary? Somewhat. More frightening than 72% of films.
Is Once Upon a Time in High School sad? About average. Almost exactly mid-range.
Does Once Upon a Time in High School end with hope? About average. Almost exactly mid-range.
Is Once Upon a Time in High School easy watching? About average. Almost exactly mid-range.
These describe how the film comes across, measured across the whole film and compared with other well-known films. They are not a content list — nothing here was counted or checked scene by scene, so for age-suitability or specific content use a classification board or a dedicated content-warning service.
Cinnamon Score
How much this film gives you that nothing else will, and whether it delivers.
Distinctly its own thing.
How unlike any other film this one feels
How much more it delivers than it promises
How much audiences actually like it
Ensemble
Like Once Upon a Time in High School
Nearest across the full emotional profile.
Same Mood as Once Upon a Time in High School
Nearest on what's most distinctive about this one.
Like Once Upon a Time in High School, But Darker
Similar, pushed toward heavier and more intense.
Like Once Upon a Time in High School, But Lighter
Similar, pushed toward warmer and easier.
Like Once Upon a Time in High School, But Less Popular
Same territory, far fewer people have seen it.




























































