Complex sentence: The Stow Hill buildings, formerly housing the Convent of St Joseph were purchased, and provision was extended first to Common Entrance level, then to O-levels and finally the first A-levels were taken in 1983 under the leadership of Frank Edwards.
Split into simpler sentences: The Stow Hill buildings, formerly housing the Convent of St Joseph were purchased, and provision was extended first to Common Entrance level, then to O-levels. Finally the first A-levels were taken in 1983 under the leadership of Mr Frank Edwards.