Chaminade College Preparatory is a private Catholic preparatory school with two campuses in San Fernando Valley, Los Angeles County, California. Named after Society of Mary founder Blessed William Joseph Chaminade, Chaminade College Preparatory consists of a middle school (encompassing grades 6–8) located in Chatsworth and a high school (encompassing grades 9–12) located in West Hills. It is located in the Roman Catholic Archdiocese of Los Angeles. It is a member of the approved Secondary Schools of the University of California.