| Sydenham High School | |
|---|---|
| Address | |
 | |
2860 Rutledge Road , , Canada | |
| Coordinates | 44°24′25″N 76°36′00″W / 44.407°N 76.6°W |
| Information | |
| School type | Secondary |
| Motto | Spirit, Heritage, Success (Ludum Facite) |
| Founded | 1872 |
| School board | Limestone District School Board |
| Principal | Roxanne Saunders |
| Grades | 9-12 |
| Enrollment | 850 |
| Language | English, Extended French |
| Area | Sydenham, Ontario |
| Colour(s) | Red and Gold |
| Mascot | Golden Eagle |
| Team name | Golden Eagles |
| Website | sydenhamhs |
Sydenham High School is located about 20 minutes north of Kingston, Ontario in the village of Sydenham, Ontario adjacent to Loughborough Public School. It is part of the Limestone District School Board.