Share 'Track and Field in Korea?'

Does anyone know how the national track circuit functions in Korea? Especially for high school kids? I go to school in the US, but I'm a Korean citizen. I'm sixteen years old and I've run 1:54.3 for 800 meters, which is 3+ seconds under the World Youth Championships qualifying standard for this year. I was wondering what the qualifying procedures are for international competitions like that and...