Cornerstone Academy is located in Mount Airy, MD. It is a private, special education school that serves 9 students in grades 8-12. Cornerstone Academy is coed (school has male and female students) and is Presbyterian in orientation. The school belongs to the Association of Christian Schools International.
In 2010, Cornerstone Academy had 4 students for every full-time equivalent teacher. The Maryland average is 15 students per full-time equivalent teacher.