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.

• Education in Ontario
• List of secondary schools in Ontario

• Chelmsford Valley District Composite School
• Chelmsford Valley District Composite School at Rainbow District School Board

46°34′31″N 81°11′35″W / 46.5752°N 81.193°W / 46.5752; -81.193