Aranmore Catholic College is a co-educational school for pre-kindergarten to Year 12, located in Leederville in Perth, Western Australia.
The school was established as Our Lady of Perpetual Succour School, Aranmore in 1903 by two Sisters of Mercy: Mother Berchmans and Mother Aquin. In the 1930s, the school was renamed St Mary's College.
In 1986, St Mary's and the adjacent Christian Brothers College amalgamated as Aranmore Catholic College. In 2026, Aranmore Catholic Primary School was amalgamated into the school.
Enrollments are sourced from the local metropolitan area, regional WA, and internationally.