Decatur High School is a public high school in Decatur, Alabama, United States. It is one of two high schools in the Decatur City School District. Decatur High offers technical, academic, and Advanced Placement (AP) programs, as well as dual enrollment with the John C. Calhoun Community College System. Decatur High, along with southwestern Decatur's Austin High School, were the first International Baccalaureate schools in Alabama north of Birmingham. Starting in the 2017-2018 school year, Decatur High will no longer continue the IB program.