Complex sentence: She was educated at Rosebery Grammar School for girls, Epsom, Surrey and St Anne's College, Oxford, where she studied PPE and was a member of the Oxford University Broadcasting Society.
Split into simpler sentences: She was educated at Rosebery Grammar School for Girls, a grammar school in Epsom, Surrey. She went on to study at St Anne's College, Oxford, where she studied PPE and was a member of the Oxford University Broadcasting Society.