Oak Hill Academy is fully accredited by the Virginia Association of Independent Schools. The Academy also is a member of the National Association of Independent Schools (NAIS), and the Southern Association of Independent Schools (SAIS), and is approved by the Virginia Council for Private Education. Oak Hill Academy is recognized by the Virginia Department of Education and certified by the United States government for the teaching of foreign students.
The accreditation process of the VAIS is extensive. Every five years a team comprised of educational professionals from member schools visits the campus to provide an assessment of how efficiently the Academy is fulfilling its mission. The Academy presents a comprehensive self-study narrative, and the visiting committee evaluates the Academy based on seventy-six rigorous standards.