| Caledonia High School | |
| Streetaddress: | 37 Forfar St. E |
| Postalcode: | NOA 1A0 |
| Country: | Canada |
| Coordinates: | 43.0703°N -79.9516°W |
| Language: | English |
| Campus Type: | Rural |
| Rival: | Cayuga Warriors and Hagersville Hurricanes |
| Mascot: | Blue Devil |
| Sports: | Football, Gold, Tennis, Badminton, Field Hockey, Basketball, Volleyball, Lacrosse, Soccer, Track, Cross Country, |
| Team Name: | Blue Devils |
| School Colors: | Royal Blue and Gold |
| Yearbook: | Devilogue |
| Established: | 1924 |
| Closed: | 1992 |
Caledonia High School (CHS) was a public high school located in Caledonia, Ontario. Caledonia High School was built overlooking the Grand River in 1924. High school students before that were enrolled at the old Caledonia Public School, once located behind the Caledonia Presbyterian Church. Caledonia High School's mascot was the "blue devil" and the school colors were blue and gold.[1]