New York Military Academy (NYMA) is a college preparatory, co-ed boarding school in the suburban town of Cornwall, 60 miles (97 km) north of New York City, and one of the oldest military schools in the United States. Originally a boys' school, it started admitting girls in 1975.

Cornwall is a town in Orange County, New York, United States, approximately 50 miles (80 km) north of New York City on the western shore of the Hudson River. As of the 2020 census, the population was at 12,884. Cornwall has become a bedroom community for area towns and cities including New York City. Commuter rail service to North Jersey and New York City is available via the Salisbury Mills–Cornwall train station, operated by NJ Transit on behalf of Metro-North Railroad. The town is located less than an hour from the George Washington Bridge with access to major commuter routes such as the New York State Thruway and the Palisades Parkway.