Swansea High School in Swansea, South Carolina is a public high school offering education for grades 10–12, serving the surrounding communities of Swansea, Gaston, and parts of Pelion. It derives its name from its location next to Swansea, South Carolina. Sports teams are known as the Tigers. The main athletic rival is the Pelion High School Panthers. Swansea HS currently has a student body of 750 and is part of the Lexington District #4.