Undercover High School episode ratings · Plotted

Undercover High School

2025 · 1 season · 12 episodes · Action, Comedy, Thriller

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.

7.7IMDb · 4.8k votes

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.

Episode average: 8.1
Top episode: 8.5; S1 E4 · Joining the Student Council
Lowest episode: 7.8; S1 E1 · The Emperor's Lost Gold
Finale: 8.4; +0.3 against the show's 8.1 average

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IMDb rating of every Undercover High School episode, by season and episode number
	Episode 1	Episode 2	Episode 3	Episode 4	Episode 5	Episode 6	Episode 7	Episode 8	Episode 9	Episode 10	Episode 11	Episode 12
Season 1	7.8	8.0