In 1973 the Bishop of Bunbury mandated the administration of
systemic Bunbury Catholic College to the Catholic Education Commission. The college developed from the amalgamation of St Francis Xavier College (Marist Brothers) and St Joseph's School (Mercy Sisters). The Commission fosters the continuous development and improvement of Catholic schools, acts on behalf of the Catholic community and determines major policy. In 2015, a second campus was built in the nearby suburb of
Australind; commonly known as the Mercy campus. The campus name is derived from the Sisters of Mercy, who co-founded the school. The Mercy Campus became independent in 2020, and split to form
Our Lady of Mercy College. ==Notable alumni==