Sullivan North High School (commonly known as SNHS or Sullivan North) is a public high school for grades 9–12. It is one of four high schools operated by the Sullivan County school system. It is located in the western end of Sullivan County, Tennessee and lies within the corporate limits of the City of Kingsport, Tennessee. The school opened in August 1980. It encompasses over five acres under one roof (including Sullivan North High and Sullivan North Middle) on approximately 27 acres fronting John B. Dennis Bypass. According to the 2007 state report card, Sullivan North High School has been rated as a safe school. The school has a student body of approximately 600 students.The principal is Brent Palmer.