Incorporated as a non-profit in 1961, it moved two years later to its current location on 36th Street, NW, in the North Cleveland Park neighborhood.
In 1971, the school purchased a 130-acre Mountain Campus in Luray, Virginia.
This facility includes: platform tents, a dining hall, and a nature center.
Activities include a zip line, a giant swing, a climbing wall and a high- and low-ropes courses.
Each grade engages in the outdoor education program twice each school year.