Memorial Classroom Building officially opened on May 12, 1949, and was built in memory of the 20 Old Boys who died in the Second World War. The building was consecrated in a service of worship and dedication by the Right Reverend W.E. Bagnall, Lord Bishop of Niagara. Warren Beasley, Head Prefect and Cadet Corps Captain, unveiled a plaque commemorating the boys who gave their lives in the war.
The building featured classrooms, science lab, music room, study hall, junior and senior common rooms and offices. In 1956, the Memorial Entrance was added to include the Headmaster's office as well as the First World War (north side) and Second World War (south side) Honour Rolls.
