| Chelmsford Valley District Composite School | |
| Streetaddress: | 3594 Highway 144 |
| City: | Chelmsford |
| Province: | Ontario |
| Postalcode: | P0M 1L0 |
| Country: | Canada |
| Trustee: | Anita Gibson |
| Principal: | Patrick Hopkin |
| Schoolboard: | Rainbow District School Board |
| Enrollment: | 235 |
| Enrollment As Of: | December 6, 2019 |
| Grades: | K to 12 |
| Opened: | 1953 |
| Homepage: | https://cvdcs.rainbowschools.ca/ |
Chelmsford Valley District Composite School (CVDCS) is a K to 12 school located in the community of Chelmsford, Ontario, part of Greater Sudbury. The school opened in 1953. CVDCS offers a Bilingual Trades program as its magnet program. The school also offers the French Immersion program.
The school is overseen by the Rainbow District School Board.