National Park Seminary is a institution in , established in 1894. National Park Seminary was an elite private women's boarding and finishing school that operated from 1894 to 1942 in Forest Glen Park, Maryland. Founded by educators John Irving and Vesta Harvey Cassedy, it was renowned for its eclectic, internationally-inspired architecture and rigorous curriculum combining academics with music, art, and domestic sciences. The historic 23-acre campus featured distinctive themed buildings designed by architect Emily Elizabeth Holman.