so 1 Dong Son Secondary School
Phường Đồng Sơn, Dong Hoi City
Bac Trach Secondary School
Bắc Trạch, Bo Trach District
Truong Pho Thong cap II - III Trung Hoa
Trung Hoá, Minh Hoa District
Mai Thuy Secondary School
Mai Hạ - Mai Thuỷ, Le Thuy District
Tan Ninh Secondary School
xã Tân Ninh, Quang Ninh District
So 2 Bo Trach High School
Cự Nẩm, Xã Cự Nẫm, Bo Trach District
Bac Dinh Secondary School
Tiểu khu Hữu Nghị, Bo Trach District
Duy Ninh Secondary School
xã Duy Ninh, Quang Ninh District