so 1 Dong Son Secondary School
Phường Đồng Sơn, Dong Hoi City
so 1 Nhan Trach Secondary School
Nhân Trạch, Bo Trach District
My Trach Secondary School
Thôn Bình Minh - xã Mỹ Trạch, Bo Trach District
Quang Hai Secondary School
xã Quảng Hải, Ba Don Town
Quang Chau Secondary School
xã Quảng Châu, Quang Trach District
Dong Phu Secondary School
Số 52 - Đường Hai Bà Trưng, Dong Hoi City
Bac Nghia Secondary School
TK4 - P. Bắc Nghĩa, Dong Hoi City