Complex sentence: She attended Haverstock School in the same year as David Miliband and then studied English at St Anne's College, Oxford, before going on to Columbia University, New York where she received an MA in 1988.
Split into simpler sentences: She attended Haverstock School in the same year as David Miliband. Heller studied English at St Anne's College, Oxford, and then went on to Columbia University, New York where she received an MA in 1988.