St. Joseph High School is a Roman Catholic high school in the Barrhaven neighbourhood of Ottawa, Ontario, Canada. It is run by the Ottawa Catholic School Board. In athletics, the school teams are referred to as the St. Joseph Jaguars and the school mascot is a jaguar named McJagger. Commonly known as St. Joe's by the local community, St. Joe's has an enrollment of approximately 1900 students, ranging from grades 7 to 12, as well as 115 staff members.