Once upon a time in High School is a 2004 Korean-language Action Drama movie written and directed by Yoo Ha and produced by Cha Seung-jae and No Jong-yoon under the banner of Sidus FNH. Once upon a time in high school stars Kwon Sang-woo, Han Ga-in, Lee Jung-jin, Sang-woo Kwon, Jung-jin Lee, Ga-in Han and Han-seok Yang. The music was composed by Kim Joon-seok. Cinematography was done by Choi Hyeon-gi and editing by Park Gok-ji. The motion picture has a running time of 116 minutes. It was released on 16th January 2004. Distribution rights for the movie were acquired by CJ Entertainment.