chool 2013 is a 2012 South Korean television series starring Jang Nara, Choi Daniel, Lee Jong-suk and Kim Woo-bin. The teen drama depicts the struggles and dilemmas that modern-day Korean youth face, such as bullying, student suicides, school violence, deteriorating teacher-student relations, private tutoring and other real-life high school issues, all within the confines of one small classroom at Seung Ri High School.

It is the fifth installment of KBS's "School" series which aired from 1999 through 2002. It aired on KBS2 from December 3, 2012 to January 28, 2013 on Mondays and Tuesdays at 21:55 for 16 episodes.

Overview from themoviedb.org