UTS opens its doors for the first time to 325 students - all boys.
The Huron wing and auditorium are built.
The western extension along Bloor is added.
The Spadina wing is opened. Today it is used by the University of Toronto’s Department of Sociology.
The House System was established, with three of the houses named for previous Headmasters (Crawford, Althouse, and Lewis) and the fourth, Cody, named for a former president of the University of Toronto.
UTS becomes co-ed, welcoming girls in Grades 7 and 8.
UTS becomes an independent, not-for-profit school.
UTS celebrates its centennial.
UTS signs a new 50-year affiliation agreement with the University of Toronto.