Once a medal winning athlete at the National Athletics Competition, Kim Tae Jin (Kim Young Dae) gave up on taekwondo after suffering a serious ankle injury. With his dreams of becoming a professional athlete now in tatters, Tae Jin wonders if his life can get any worse. Unfortunately for him, it can. With his father’s business facing imminent bankruptcy, Tae Jin has no idea where to go, what to do, or what his future holds. Unable to follow the path of his college-bound peers, Tae Jin enrolls in a vocational high school, completely unaware that this decision will change his life forever. A dedicated vocational student struggling to balance both work and school, Joo Do Bin (Kim Yo Han) has big dreams for his life and he’s not afraid to work hard to make them come true. Though he has very little in common with Tae Jin, the two find themselves forming an unlikely friendship. Joining their group is Na Geum Young (Cho Yi Hyun), a second year student studying cooking while dreaming of the day she becomes a famous YouTuber. Though all three friends come from very different walks of life and have very different dreams, they share an unbreakable bond of friendship. Helping each other overcome the difficulties inherent with taking the road less traveled, the three friends learn invaluable lessons about life, love, and friendship. But will these lessons actually help them make their dreams come true? Based on the novel, “Oh, My Boys!” by Lee Hyun, “School 2021 is a youth drama directed by Kim Min Tae.