Wellesley High School is a public high school in Wellesley, Massachusetts, United States, educating students on grades 9 through 12. The principal is Jamie Chisum, who took the position in 2014 after the departure of Andrew Keough. As of 2023, the school serves 1420 students. In 2024 it was ranked the 28th best high school in Massachusetts and the 703rd best public high school in the nation by U.S. News & World Report.