| Mississauga Secondary School | |
|---|---|
 | |
| Address | |
 | |
550 Courtneypark Drive West , , Canada | |
| Coordinates | 43°37′30″N 79°42′10″W / 43.6251°N 79.7029°W |
| Information | |
| School type | State High school |
| Motto | Be Fit to Learn and Learn to Be Fit |
| Founded | June 1, 2005 |
| School board | Peel District School Board |
| Superintendent | Leslie Grant |
| Area trustee | Kathy Mcdonald Susan Benjamin Nokha Dakroub Robert Crocker |
| School number | 925535 |
| Principal | Cheryl Bobb |
| Grades | 9-12 |
| Enrolment | 1,100 (April 30, 2022) |
| Language | English |
| Colour(s) | Navy Blue, Light Blue, Silver and Green |
| Team name | Lions |
| Website | www |
Mississauga Secondary School (MSS) is a public high school located in Mississauga, Ontario. It operates under the Peel District School Board.