Complex sentence: She was educated at Merchant Taylors'Girls' School (a selective independent girls'school based in Great Crosby, Merseyside), Brasenose College, Oxford and St Antony's College, Oxford.
Split into simpler sentences: She was educated at Merchant Taylors'Girls' School, an all-girls selective independent school based in Great Crosby, Merseyside. She studied at Brasenose College, Oxford and St Antony's College, Oxford.