| Downsview Secondary School | |
|---|---|
| Address | |
 | |
7 Hawksdale Road , , Canada | |
| Coordinates | 43°43′51″N 79°28′45″W / 43.7309°N 79.4792°W |
| Information | |
| Former name | Downsview Collegiate Institute |
| School type | Public, high school |
| Motto | Knowledge is Power! |
| Founded | 1955 |
| School board | Toronto District School Board |
| Superintendent | Linda Curtis |
| Area trustee | Alexandra Lulka |
| Principal | Saraya Elwin |
| Grades | 9-12 |
| Enrollment | 565 (2017-18) |
| Language | English |
| Schedule type | Semestered |
| Mascot | Mustangs |
| Team name | Downsview Mustangs |
| Website | schoolweb |
Downsview Secondary School, formerly known as Downsview Collegiate Institute, is a semestered public secondary school in Toronto, Ontario, Canada.