Sullivan South High School (commonly known as SSHS or Sullivan South) is a public high school (grades 9-12) located in Kingsport, Tennessee in Sullivan County. The school has a student body of approximately 1,000 students. The principal is Greg Harvey. The school had a 79% graduation rate in 2004, well short of the state goal of 90%. . The average ACT scores of students is a 21.6. 82.6% of students attended either a two-year or four-year university . It is also accredited by the Southern Association of Colleges and Schools and is a member of the TSSAA.