St Mary MacKillop College, formerly known as MacKillop Catholic College, is a Catholic high school in the Australian capital of Canberra, with two campuses in the Tuggeranong Valley. The school is the result of an amalgamation of Padua High School and St. Peter's College in 1997. Mackillop College accepts students from year 7 to 12. There are two campuses of St Mary MacKillop Catholic College, the junior campus (years 7 to 9) in Wanniassa and the senior campus (years 10 to 12) in Isabella Plains.