Rosary Academy is an all-girls Catholic college preparatory high school located in Fullerton, CA. Rosary was founded in 1965 by the Archdiocese of Los Angeles with the first administrators the Sisters of St. Joseph of Orange to provide greater opportunity for girls residing in Orange County to attend a Catholic secondary school and pursue higher education. Rosary’s crest presents the school’s philosophy of growth — spiritual, intellectual, emotional, and physical.