Washington has 21 schools. One of the best schools is School Without Walls High School, which has a rating of 10. It has 555 students. Public schools in Washington belong to District of Columbia Public Schools. Capital City PCS is close by and is rated more highly than District of Columbia Public Schools. Nearby Washington Yu Ying PCS is better, with a rating of 9. The population of Washington is 605,158. District of Columbia Public Schools enrolls 7% of the population of Washington.