ACHS may refer to:
American schools Adolfo Camarillo High School, Camarillo, California Alexandria City High School, Alexandria, Virginia Allen Central High School, Eastern, Kentucky American Canyon High School, American Canyon, California American College of Healthcare Sciences, Portland, Oregon Antioch Community High School, Antioch, Illinois Archbishop Carroll High School (Washington, D.C.) Argo Community High School, Summit, Illinois Arlington Catholic High School, Arlington, Massachusetts Atlantic City High School, Atlantic City, New Jersey Almeta Crawford High School, Fort Bend County, Texas
People with the surname Ken Achs, former Canadian drag racer
Other uses Association of College Honor Societies Asociación Chilena de Seguridad (Chilean Safety Association)