Keystone Adolescent Center Keystone Adolescent Center is a nonprofit organization whose purpose is to provide community based programs that will afford constructive behavior modification therapeutic counseling and educational opportunities to atrisk adolescents and offer their families greater involvement in the treatment program because of its community based nature and emphasis on family preservation. Keystone facilities provide 24 hour care and supervision for delinquent and dependent males and females throughout Western Pennsylvania. Upon a childs admission Keystone will utilize a variety of treatment modules focusing on the childs history and future needs to produce a positive and successful treatment plan. Click or touch a building for details Keystone Adolescent Center Greenville PA 16125 .