| Stephen Lewis Secondary School | |
| Country: | Canada |
| Coordinates: | 43.8364°N -79.4761°W |
| Superintendent: | Steve Gardner |
| Trustee: | Estelle Cohen |
| Principal: | Todd Taylor |
| Grades: | 9–12 |
| Colours: | Royal Blue, Black, Silver, White |
| Mascot: | Shark |
| Team Name: | Sharks |
| Address: | 555 Autumn Hill Boulevard |
| Number: | 945508 |
| Enrolment: | 1,760[1] |
| Enrolment As Of: | 31 October 2023 |
| Capacity: | 1,365[2] |
| Language: | English |
| Lastupdate: | October 2024 |
Stephen Lewis Secondary School is a public semestered high school in Vaughan, Ontario, Canada administered by the York Region District School Board. Currently, the school enrols students in grades 9, 10, 11 and 12 all of which are from the 'Vaughan Block 10' region. The school is named for Canadian statesman Stephen Lewis.
The school opened for service on September 5, 2006, and was officially designated May 8, 2007.