Southern Guilford High School was founded in 1930 in the Sumner area of Guilford County, North Carolina. It operates on a block, college-styled schedule (4 classes each semester) as opposed to the traditional bell schedule that has 6 periods year long. For the 2014-2015 school year, Southern has an enrollment of 1220, grades 9-12, and 70 teachers. http://sghs.gcsnc.com/pages/Southern_Guilford_High/About_Us/About_Us