Complex sentence: The British Council's timely financial backing made it possible for the college to lower fees for local pupils and, as a result, the population grew steadily with an increasing number of Maltese gentry sending their boys to the school.
Split into simpler sentences: The British Council's timely financial backing made it possible for the college to lower fees for local pupils. As a result, the population grew steadily with an increasing number of Maltese gentry sending their boys to the school.