John XXIII College (Perth Western Australia)
 John XXIII College is a Catholic co-educational school in Perth Western Australia. The school provides education from kindergarten to year twelve students.The college is the result of the merger in 1977 of the Jesuit Saint Louis boys school spread over different campuses (first opened in 1938) and Loreto Convent girls school (first opened in 1897). In 1986 the school was relocated to its present site in Mount Claremont.