Complex sentence: In February 1955, John Sassoon, first acting Headmaster of the school, completed these preparations, and classes officially started on 1 March 1955, with James Opolot as the Assistant Master.
Split into simpler sentences: In February 1955, John Sassoon, first acting Headmaster of the school, completed these preparations. Classes officially started on 1 March 1955, with James Opolot as the Assistant Master.