Concord-Carlisle High School (CCHS) is a public high school located in Concord, Massachusetts, United States. It is 17 miles (27 km) northwest of Boston. The school serves grades 9–12, and as part of the Concord-Carlisle Regional School District, has students from both Concord and Carlisle, Massachusetts. The school also has a notable portion of minority students from Boston enrolled as part of the METCO program.

Concord is a town in Middlesex County, Massachusetts, United States. In the 2020 census, the town population was 18,491. The United States Census Bureau considers Concord part of Greater Boston. The town center is near where the Sudbury and Assabet rivers join to form the Concord River.