From 1930- 1964, St. Patrick's College High School took in boarders from the Ottawa Valley area as well as from farther afield.

The names of 155 Oblates of Mary Immaculate in St. Peter's Province, who taught at St. Patrick's High School during the period 1929-1973 are engraved on a plaque that was mounted on an Oblate cross and presented to the students and staff of St. Patrick's High School on March 17, 1986.

St. Patrick's College High School relocated to the Campanile Campus at 1485 Heron Road, where St. Patrick's shared the location with Notre Dame High School, run by the Sisters of the Congregation of Notre Dame.

The St Pat's Irish play in the NCSSAA (National Capital Secondary Schools Athletic Association).

Pat’s Fighting Irish” hit the field for the first time since 1975, defeating Laurentian High School in the process.