Milton Academy (also known as Milton) is a highly selective, coeducational, independent preparatory, boarding and day school in Milton, Massachusetts consisting of a grade 9–12 Upper School and a grade K–8 Lower School. Boarding is offered starting in 9th grade. It is a highly selective school, accepting only 14% of applicants in the 2020–21 school year. Historically, it has been an unofficial feeder school for Harvard University. Milton is a member of the Independent School League (ISL). Milton's historic athletic rival is Noble and Greenough.