Highschool/College Kdramas

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The Heirs

Monstar
Highschool Love on
Boys over flowers
Tomorrow's Cantabile
Cheese in the trap
Morim school
Dream High

Playful Kiss
My Girlfriend Is A Gumiho
Shut Up Flower Boy Band
To the Beautiful You
Love Rain
Goong

Queen of the Ring has a College setting; I would also recommend High School King of Savvy