Founded in 1974, Harmony Heights School is a therapeutic residential and day school that serves girls with emotional needs. Located in Oyster Bay, N.Y., it is a chartered and registered high school accredited by the state of New York and offers regents and local diplomas. Harmony Heights School offers various school activities, including field days, senior breakfast programs, and book and yearbook clubs. It provides recreational, individual and group therapies, as well as a four-level behavior modification program. Harmony Heights School s horse program includes the basics of horseback riding and grooming.