GSSM is a two-year, public, residential high school in Hartsville, SC, specializing in the advanced study of science and mathematics. In the past 30 years, GSSM has graduated 2,009 alumni from every county in South Carolina, many of whom are now leaders in such critical fields as engineering, medicine, law and business. In addition to the School’s flagship residential program, GSSM has grown significantly to include widespread outreach and virtual components.