Collège Saint-Alexandre is a private secondary school (high school) located in Gatineau, in the Outaouais region, in the province of Quebec, Canada. It is located on Rue Saint-Louis in the Gatineau sector in the Limbour neighbourhood. Once limited to males only, it opened its doors to girls in 1990 in order to improve its rating. Known for its solid reputation of superior education, it attracts students from all over the region, particularly from the towns of Ottawa, Hull, Gatineau, Cantley, Chelsea, Aylmer, Buckingham and Masson-Angers.