High School Graduate or Higher (5-year estimate) in Gaston County, NC was 87.60% in January of 2022, according to the United States Federal Reserve. Historically, High School Graduate or Higher (5-year estimate) in Gaston County, NC reached a record high of 87.60 in January of 2022 and a record low of 78.90 in January of 2010. Trading Economics provides the current actual value, an historical data chart and related indicators for High School Graduate or Higher (5-year estimate) in Gaston County, NC - last updated from the United States Federal Reserve on May of 2024.