CCHS supports all of the 34 available sports teams organized by the
Massachusetts Interscholastic Athletic Association (MIAA). In most sports, Concord Carlisle competes in the
Dual County League. CCHS also offers a squash club in the winter.
Cross country The school has both a girls and boys cross-country team. In 2017, the boys’ team came in fourth in the Massachusetts Division 1 state meet, while the girls’ team won. In 2018, the boys' team won the state meet and the girls' team came in second. In 2019, the girls' team won the state meet. The boys' team placed third.
Fencing Concord-Carlisle's fencing team was founded in 1965 by Elliot Lilien, who taught and coached at the school before going on to coach fencing at
Brown University. This winter sport has men's and women's teams, with JV and Varsity levels. CCHS's fencing team has produced two individual Olympic Champions, and numerous individual state champions.
Swimming and diving The girls' swimming and diving team has won two Massachusetts Swimming & Diving State Championships, claiming back-to-back
MIAA Division 1 State Championships in 2024 and 2025. One of the largest sports team at the school, there are members every year who make it to the Sectionals and State meets. The diving team has produced several individual state champions.
Skiing Nationally recognized in 1998 as a top ski school, the team competes at a local ski area in both slalom and giant slalom races. Dr. Bob Furey, head ski coach since 1972, was awarded the National Coaches Association Ski Coach of the Year Award in the early 1990s. Johnstone retired in 2007. In 2007, he was awarded a
Boston Globe All-Scholastic Coach of the Year. The team practices at Nashoba Ski Valley. The
Nordic ski team won the Mass Bay West Divisional title for both the girls' varsity and boys' varsity team. The team also did well in state competitions: the girls' team secured second place and the boys' team had a close third-place finish. In 2018, after an undefeated regular season for both the boys' and girls' teams, the boys' team won the state championship.
Soccer The CCHS girls soccer team has many accomplishments including undefeated seasons and many division titles. In addition, they have progressed to the state finals multiple times and years in a row.
Lacrosse CCHS has both boys and girls varsity and junior varsity lacrosse teams. ==New school building project==