| Marc Garneau Collegiate Institute | |
|---|---|
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| Address | |
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135 Overlea Boulevard , , Canada | |
| Coordinates | 43°42′37″N 79°20′09″W / 43.710266°N 79.335735°W |
| Information | |
| School type | Public, high school |
| Founded | 1973 |
| School board | Toronto District School Board |
| Superintendent | Andrew Howard LC1/LN5 |
| Area trustee | Rachel Chernos Lin Ward 11 |
| School number | 1950 / 933198 |
| Principal | Gillian Evans |
| Grades | 9-12 |
| Enrolment | 1800 |
| Language | English |
| Campus size | 8.6 acres |
| Area | Flemingdon Park |
| Colour(s) | Blue, Maroon and White |
| Mascot | Cougar |
| Team name | Garneau Cougars |
| Newspaper | The Reckoner of MGCI |
| Communities served | Flemingdon Park, Thorncliffe Park |
| Feeder schools | Valley Park Middle School |
| Website | schoolweb |
Marc Garneau Collegiate Institute, formerly known as Overlea Secondary School, is a high school in Toronto, Ontario, Canada, and part of the Toronto District School Board. It is the host school of the Talented Offerings for Programs in the Sciences (TOPS) program, a math, science and English enrichment program. The TOPS Program was originally merit-based, but was turned into a Randomized Admissions program since September 2023.