Established by the Vietnamese Association in Khammouane in 2024, the school covers nearly 3,500 square metres, and features 19 rooms, including 11 fully equipped classrooms, a practice room, a library, and various support facilities, with a total investment of 25 billion VND (around 1 million USD).

The Vietnamese-funded Thong Nhat secondary school was inaugurated on August 31 in Khammouane and handed over to the association of Vietnamese in the Lao central province.