Groupe scolaire officiel de Butare is a secondary school located in Rwanda, Southern province, Huye district in Ngoma sector. It was founded in 1929 by brothers of charity to educate Rwandans to assist the Belgian colonial administration. Groupe scolaire officiel de Butare is the oldest public secondary school in Rwanda.

This school is known for its academic excellence in both Ordinary level leaving National examinations and Advanced level leaving examinations. It is regarded as one of the most selective schools in Rwanda.