In 1915, University School founder Rev. W.W. Bolton offered K.C. Symons the position of Head of University Junior School, but K.C. declined graciously.
11 boarders and Captain Beaumont were marooned returning from a trip to Discovery Island in 1918, until they were rescued by a Japanese fishing boat.
When K.C Symons retired in 1958, he was succeeded by his son K.W. Symons who continued as Headmaster until 1970.
The School colours (black and royal blue) and its crest, were adopted with permission from Dulwich College, England (founder K.C. Symons' alma mater).
In the midst of World War II, the University School boys dug a potato patch and donated the net proceeds of this crop to the Red Cross.
In 1948, Brentwood College was amalgamated with University School after a fire destroyed their campus. The Brentwood boys stayed at University School until 1961, when a new Brentwood was built at Mill Bay.
University School was the first Canadian school to be represented in the "Illustrated London News", as part of the series "The Education of British Youth."
In 1967, University School hosted the first ever visit of a British public school's XV rugby team to Canada, as the boys played Trinity College.