Duluth High School is a public secondary school in Duluth, a suburb of Atlanta, Georgia, United States. It provides education for grades 9-12 and is operated by Gwinnett County Public Schools. The school was built in 1958 and serves Duluth, Berkeley Lake, Peachtree Corners, and unincorporated portions of western Gwinnett County. As of 2019, it has 2,741 students enrolled.