Lyme-Old Lyme High School

Lyme-Old Lyme High School is a public high school in Old Lyme, Connecticut. It serves grades 9 through 12 and is the only high school operated by Lyme-Old Lyme Schools. The school has a wide range of award-winning groups and athletics programs, including at least 38 clubs. Several clubs including the robotics team and mock trial team compete nationally. In addition, the school ranks number 8 in Connecticut for academics according to U.S. News & World Report, with 67% of student taking one or more APs during their high school career as of 2025.