Complex sentence: His foster-father George Freeman was determined to ensure Richard received a good education and for some time Wallace attended St. Alfrege with St. Peter's, a boarding school in Peckham, however he played truant and then left full time education at the age of 12.
Split into simpler sentences: His foster-father George Freeman was determined to ensure Richard received a good education. For some time Wallace attended St. Alfrege with St. Peter's, a boarding school in Peckham, however left full time education at the age of 12.