Founded in 1915. We are a Catholic parish high school located in Natrona Heights, PA above the scenic Allegheny River Valley. We are the oldest Catholic high school in the Diocese of Pittsburgh. Saint Joseph High School currently educates 200 students from 2 dioceses, 44 parishes, 4 counties and 21 school districts. We are accredited by the Middle States Association of Colleges and Schools. Saint Joseph High School has been educating students for nearly 100 years in academics, the arts and athletics. We regularly turn out National Merit recognized students, National History Day winners, award-winning theatrical productions, WPIAL championship basketball teams – and solid citizens. In fact, Saint Joseph High School is the only Pittsburgh Diocesan high school to be named a School of Excellence (formerly named Top 50 Catholic High School) in the Nation since 2006.