St Mary's College was a voluntary aided Catholic college situated in Saltersgill, Middlesbrough, England. Tracing its roots back to 1904, it was the only Catholic further education provision in the region of Teesside for over 50 years. In 2011, St Mary's College, along with two other Catholic schools, closed. Its buildings, staff and educational provision were merged with the other schools to form Trinity Catholic College, Middlesbrough.