Complex sentence: Born in Rochford, Essex, Riley was educated at Southend High School for Girls where she obtained having obtained four grade As at A-Level and went on to study mathematics at Oriel College, Oxford, gaining an upper second-class honours degree.
Split into simpler sentences: Born in Rochford, Essex, Riley was educated at Southend High School for Girl s where she obtained four As at A-Level. Riley then read mathematics at Oriel College, Oxford, gaining an upper second-class honours degree.