Muong Chanh Secondary School
Bản Chai Xã Mường Chanh, Muong Lat District
Luong Noi Secondary School
Xã Lương Nội, Ba Thuoc District
Truong dan toc noi tru Quan Son
Khu 6, Thị trấn Quan Sơn, Quan Son District
Tam Thanh Secondary School
Xã Tam Thanh, Xã Tam Thanh, Quan Son District
Trung Tien Secondary School
Km 21, Xã Trung Tiến, Quan Son District
Trung Ha Secondary School
Xã Trung Hạ, Xã Trung Hạ, Quan Son District