Founded by the Church of Alexandria, in latter half of 2century. There were lectures to which pagans were admitted, but advanced teaching was given to Christians separately. Under the bishop's supervision, the school prepared young clerics for the priesthood, studies including philosophy, theology, and Christian apologetics. Pantrenus, c.180,was the first teacher to make the school famous. He was succeeded by his pupil Clement, followed by Origen. Of the succeeding teachers, Didymus the Blind (c.340-395) is the best known.