1 Panahon
24 Episode
비밀의 교정
- Taon: 2006
- Bansa: South Korea, United States of America
- Genre: Drama, Mystery
- Studio: EBS 1
- Keyword: high school, school, students
- Direktor: Chang-yong Lee
- Cast: Seung-hyeon, Lee Do-hyeon, 이민호, 박보영, Chae Woon, Seol Sung-min