 When Tassie resigned in April 1881, girls were admitted attendance at GCI with the boys and the building was sold to The Crown for $750.00 and became the Galt Armoury until about 1914.Tassie was succeeded by John E. Bryant, who was tasked to hire a completely new teaching staff and revive GCI's prestige while embracing educational reform.The separate girls' school was closed and co-education adopted in 1881.