Concord-Carlisle Regional High School (CCHS) is a public high school located in Concord, Massachusetts, USA, 17 miles 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.