Complex sentence: The college became internationally more active during Percy's period as principal: it works closely with the Anglican Church in Hong Kong and continues to have links with Anglican colleges in the United States, Canada, South Africa, Australia and New Zealand.
Split into simpler sentences: The college became internationally more active during Percy's period as principal. It works closely with the Anglican Church in Hong Kong and continues to have links with Anglican colleges in the United States, Canada, South Africa, Australia and New Zealand.