High School Graduate (% of Over 25) by Zip Code (ZCTA5) — South Carolina

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High school graduation rates across South Carolina zip codes generally range from 70% to 95%, with notable clusters of higher attainment (90%+) in the upstate region around Greenville-Spartanburg, suburban areas near Charleston, and coastal communities along Hilton Head and Myrtle Beach. The lowest graduation rates, dipping below 70%, concentrate in rural zip codes across the central Midlands and Pee Dee regions, as well as parts of the rural Lowcountry, reflecting persistent educational disparities in historically underserved corridors. A clear suburban-rural divide is evident, with zip codes surrounding metropolitan cores like Columbia, Charleston, and Greenville showing markedly higher attainment than their surrounding rural counterparts.

Data: U.S. Census Bureau, 2023 ACS

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