St. Mary's Catholic High School

Founded in 1917 by the Sisters of the Precious Blood, St. Mary's Catholic High School is Arizona's oldest Catholic high school and a diocesan, co-educational, college-preparatory institution in the Diocese of Phoenix. Its mission is to provide a liberal arts education that forms virtuous young men and women who know the Truth and love the Good, centered on the Gospel through rigorous academics, active sacramental life, co-curriculars fostering virtue and leadership, and exemplary faculty witness. Student-Parent Handbook, Homepage. Serving grades 9-12 with 487 students and a 13-14:1 ratio, it requires 28 credits for graduation including theology, math, science, languages, fine arts, and service.