Complex sentence: He studied at the University of Edinburgh in Scotland, receiving an M.A. in Politics and Philosophy and a B.D. (First Class) in Theology, while training for the priesthood in the Scottish Episcopal Church.
Split into simpler sentences: He studied at the University of Edinburgh in Scotland, receiving an M.A. in Politics and Philosophy and a B.D. (First Class) in Theology. At the same time, he trained for the priesthood in the Scottish Episcopal Church.