Where is groton school in massachusetts? United States. Groton School is a private Episcopal college preparatory boarding school located in Groton, Massachusetts, United States.What grade is grogroton school? Groton is one of the few secondary schools that still offers an eighth grade. Most students enter in ninth or tenth grade (Third or Fourth Form), but we accept about thirty eighth graders (Second Formers) each year.What is the acceptance rate for groton school? For the 2020-21 admissions cycle, Groton School reported an acceptance rate of 9%. Groton School was founded in 1884 by the Rev. Endicott Peabody, a member of a prominent Massachusetts family and an Episcopal clergyman.How much is room and board at groton school? Groton School. Tuition, room and board and required fees in 2014–15 amounted to $56,700 (with books extra); 38% of the students receive financial aid. The school is a member of the Independent School League. There are many famous alumni in business, government and the professions, including Franklin D. Roosevelt .