St. Brother André Catholic High School is a Catholic secondary school in Markham, Ontario, Canada. Grades 9 to 12 are taught, with religious studies included in the curriculum. It is named after Saint André Bessette (also known as Brother André), a 20th-century Catholic religious brother in Montreal responsible for the construction of the Saint Joseph's Oratory. Brother André is located in east-central Markham, and its feeder schools include