Yoo Ha, is a South Korean film director, screenwriter and a contemporary poet, he directed the critically acclaimed film,  "Once Upon a Time in High School" (2004), is a South Korean drama film, the background of the film is set in a high school in which country?
Once Upon a Time in High School Once Upon a Time in High School: The Spirit of Jeet Kune Do (Korean: 말죽거리 잔혹사 ) is a 2004 South Korean drama film. The background of the film is set in a high school in South Korea, . The original Korean title literally means "cruel history of Maljuk street" and one of the filming locations was the present neighborhood of Yangjae-dong, Seocho District in Seoul.
The Crucible (2011 film) The Crucible (; also known as Silenced) is a 2011 South Korean drama film  based on the novel of the same name by Gong Ji-young, starring Gong Yoo and Jung Yu-mi. It is based on actual events that took place at Gwangju Inhwa School for the hearing-impaired, where young deaf students were the victims of repeated sexual assaults by faculty members over a period of five years in the early 2000s.