Gordon Graydon Memorial Secondary School was a high school that served Grades 9 to 12 in Mississauga, Ontario, Canada. The school opened in 1957, celebrated its 50th anniversary on May 26, 2007 and closed in June 2018. It was named after Gordon Graydon, a Canadian politician who died in 1953.
- Country
- Canada
- Inception
- 1956
- Website
- http://schools.peelschools.org/sec/gordongraydon/Pages/default.aspx
