Charlotte Hall Military Academy, located at Charlotte Hall, Maryland, was established as Charlotte Hall School in 1774 by Queen Charlotte to provide for the liberal and pious education of youth to better fit them for the discharge of their duties for the British Empire. It was fully accredited by the Maryland State Department of Education.

Charlotte Hall is a census-designated place (CDP) in Charles and St. Mary's counties, Maryland, United States. The population was 1,420 at the 2010 census. The Maryland Veterans Home for disabled veterans, is located on the site of the former Charlotte Hall Military Academy. The Academy site was declared the Charlotte Hall Historic District, and listed on the National Register of Historic Places in 1975. Since 1940, a sizable Amish farming community has existed nearby, along with a farmers' market and large flea market complex on Maryland Route 5, which is also the site of numerous strip-mall businesses continuing into the adjacent community of Mechanicsville. A U.S. Veterans Affairs clinic is across the highway from the Veterans Home.