Gloucester City Junior-Senior High School is a comprehensive six-year community public high school that is based in Gloucester City, in Camden County, New Jersey, United States, serving students from seventh through twelfth grade as the lone secondary school of the Gloucester City Public Schools, one of 31 former Abbott districts statewide, which are now referred to as "SDA Districts" based on the requirement for the state to cover all costs for school building and renovation projects in these districts under the supervision of the New Jersey Schools Development Authority.