School 2013 is a realistic drama that depicts the struggles and dilemmas faced by modern-day Korean teenagers, including bullying, academic pressure, and suicide. The story centers on Class 2 of Seungri High School, which is considered the worst class in the school, and follows the lives of the students as they navigate the complexities of adolescence and peer relationships. The series also focuses on the teachers, specifically Jung In-jae and Kang Se-chan, who have conflicting teaching philosophies. As they work together to manage the troubled class, they must confront their own pasts and professional challenges. The drama is highly regarded for its authentic portrayal of the school system and the evolving bond between the students and their mentors.