Bishop O'Dowd High School is a Catholic, co-educational, college preparatory school in Oakland, California, administered by the Roman Catholic Diocese of Oakland and named for the late auxiliary Bishop of the Archdiocese of San Francisco, James T. O'Dowd (1907–1950). About 48% of students are non-Catholic. The school requires all students to attend school liturgies (Catholic Mass and prayer services), to enroll in religious studies courses each semester, and to complete its 4-year service learning program. O’Dowd is a Catholic high school community of 1,140 students.