15 institute. Schools directly under Beihai Education Bureau are mainly divided into four categories: secondary vocational schools, senior middle schools, junior middle schools and complete middle schools, in which secondary vocational schools include Beihai secondary vocational technical schools and Beihai health schools, senior middle schools include Beihai middle schools, Beihai second middle schools and Beihai seventh middle schools, and junior middle schools include Beihai third middle schools, Beihai sixth middle schools, Beihai eighth middle schools, Beihai eleventh middle schools and Beihai Dijiao middle schools. Complete middle schools include Beihai No.1 Middle School, Beihai No.5 Middle School, Beihai No.9 Middle School, Beihai Foreign Language School and Beihai Affiliated Middle School of Beijing Normal University, totaling 15.