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?
Yoo Ha Yoo Ha (; or spelled Yu Ha; born February 9, 1963) is a South Korean film director, screenwriter and a contemporary poet. He directed the critically acclaimed films "Marriage Is a Crazy Thing" (2002), "Once Upon a Time in High School" (2004), and "A Dirty Carnival" (2006). The latter is a gangster movie with allusions to Martin Scorsese films like "Gangs of New York", "Mean Streets" and "Goodfellas".
Korea National University of Education Korea National University of Education (Acronym: KNUE; Korean: 한국교원대학교 , "Hanguk Kyowon Daehakgyo", colloquially "Kyowondae") is a South Korean national university which specializes in teacher training and educational research. It comprises four colleges and three graduate schools. The student body consists of about 2,400 undergraduate and 3,300 graduate students. The university is widely regarded as the top South Korean university in the field of education.