St. Mary Catholic Secondary School is a Canadian secondary school in Pickering, Ontario, operated by the Durham Catholic District School Board (DCDSB).
The school is operated by the Durham Catholic District School Board (DCDSB). St. Mary Catholic Secondary School is a Catholic Canadian secondary school located in Pickering, Ontario.
St. Mary Catholic Secondary School is a Catholic Canadian secondary school located in Pickering, Ontario. The school is operated by the Durham Catholic District School Board (DCDSB).
St. Mary Catholic Secondary School is a Catholic Canadian secondary school located in Pickering, Ontario. The school is operated by the Durham Catholic District School Board (DCDSB).