Complex sentence: After a tough childhood, Duffy took her degree in English from King's College, London, and went on to be a schoolteacher from 1956 to 1961, and edited three editions of a poetry magazines called "the sixties".
Split into simpler sentences: After a tough childhood, Duffy took her degree in English from King's College, London. She went on to be a schoolteacher from 1956 to 1961, and edited three editions of a poetry magazine called "the sixties".