Rainier Beach High School is a public secondary school (grades 9-12) within the Seattle Public Schools system. It is located in the Rainier Beach neighborhood, in the southeastern part of Seattle, Washington, United States. Historically, the school has emphasized team sports and has produced many championship teams. The building has a capacity of 1,200 students, but enrollment has declined significantly in recent years. In 2006, 1,302 of the 1,600 high school students living in the Rainier Beach neighborhood traveled outside the area each morning to attend other high schools. During the 2008–09 school year, Rainier Beach began with 453 students and ended with about 295, resulting in an average monthly enrollment of 374. Only sixty students chose it as their first choice. In 2013, the school introduced an International Baccalaureate program.