Greenville Technical Charter High School (GTCHS) is a small school located on the Barton Campus of Greenville Technical College in Greenville, South Carolina. GTCHS has 420 students and is a middle college/early college high school. Students have the option of taking dual-credit classes at Greenville Technical College for no cost. Almost all of the students begin college as sophomores or juniors. Many graduate with an associate's degree.