Definition of Agincourt collegiate institute

Agincourt Collegiate Institute (ACI) is a secondary school (or high school) located in Agincourt, Toronto, Ontario. The school, founded in 1915, as Agincourt Continuation School, became Agincourt High School in 1954, and Agincourt Collegiate Institute in 1957. A.C.I is the oldest secondary school in the former Scarborough. It is a part of the Toronto District School Board.