This is a list of schools in the Roman Catholic Archdiocese of Los Angeles. The Archdiocese spans three counties: Los Angeles, Ventura and Santa Barbara. Not all the schools listed are operated by the Diocese. Some are operated by religious institutes such as the Jesuits or the Franciscans. There are five universities or colleges, and 51 high schools within the archdiocese. As of 2020 the archdiocese has the country's largest Catholic school network.