St._Mary_Catholic_Secondary_School_(Pickering,_Ontario)
St. Mary Catholic Secondary School (Pickering, Ontario)
High school in Pickering, Ontario, Canada
St. Mary Catholic Secondary School is a Catholic secondary school located in Pickering, Ontario, Canada established in 1987.[2] Operated by the Durham Catholic District School Board (DCDSB), it is the only Catholic high school located in Pickering.