CAHS may refer to: Canadian Aviation Historical Society Carman-Ainsworth High School, a public school in Flint, Michigan The College of Allied Health Sciences at the University of Cincinnati Colorado Aviation Historical Society Classical Academy High School Columbus Alternative High School, a central Ohio public high school in the Columbus City School district Council of Australian Humanist Societies Classical Academy High School, home of the Caiman "Charlotte Amalie High School - St. Thomas, USVI"