Complex sentence: Clarke became head chorister at the Canterbury Cathedral Choristers School and subsequently won a choral scholarship to the independent school, The King's School, Canterbury, and later attended Pembroke College, Oxford where he studied theology and psychology.
Split into simpler sentences: Clarke became head chorister at the Canterbury Cathedral Choristers School and subsequently won a choral scholarship to the independent school, The King's School, Canterbury. He later attended Pembroke College, Oxford where he studied theology and psychology.