Complex sentence: Schofield's older brother, Philip, was two years his senior at Clifton College, but entered in the same year (1974), later becoming an Exhibitioner in Modern Languages at Christ Church at the University of Oxford.
Split into simpler sentences: Schofield's older brother, Philip, was two years his senior at Clifton College although he entered in the same year, 1974. Philip went on to become an Exhibitioner in Modern Languages at Christ Church at the University of Oxford.