Thomas B. Colley began teaching at Appleby School in 1914. He earlier studied classics in Britain and at the University of Toronto, and his career in teaching at Upper Canada College from 1903 meant he was an experienced Master. During World War 1, he served overseas. He was also known as a strict disciplinarian. At Appleby he taught Classics and Ancient History and was the housemaster of School House, which later became known as Colley House. During the 1920s and 1930s, he was involved with the Appleby College Cadet Corps. Thomas Colley died on Sept. 2, 1949.