Southern Guilford High School

Southern Guilford High School was founded in 1970 in the Sumner area of Guilford County, North Carolina, United States. For the 2014–2015 school year, Southern had an enrollment of 1220 in grades 9–12, and 70 teachers. The school's current principal is Rodney Boone.

The school operates on a block, college-styled schedule (with four classes each semester), as opposed to the traditional bell schedule that has six periods year-long.