Flint Hill School, founded in 1956, is a private, co-educational, college preparatory school, in Oakton, Virginia, serving grades JK–12. The school has separate upper and lower school campuses about a mile apart in Fairfax County, approximately 20 miles (32 km) from Washington, D.C.

Oakton is a census-designated place (CDP) in Fairfax County, Virginia, United States. The population was 36,732 at the 2020 census. Located in Northern Virginia, its center is 16 miles (26 km) west of Washington, D.C.