Seton Catholic College was established in January 1990 as a secondary school of the Archdiocese of Perth.
It is a College founded on the traditions and experience of the two pre-existing schools from which it was developed – St Brendan’s College established in 1964 by the Society of African Missions, and De Vialar College established by the Sisters of St Joseph of the Apparition in 1968 from their previously existing St Joseph’s School in Fremantle which was established in 1855.
The history of Seton Catholic College can then be traced back to the very first religious sisters landing at Bather's Beach in Fremantle who were the founders of Catholic Education in Western Australia.