High School Graduate or Higher (5-year estimate) in Marshall County, MS was 81.60% in January of 2023, according to the United States Federal Reserve. Historically, High School Graduate or Higher (5-year estimate) in Marshall County, MS reached a record high of 82.80 in January of 2022 and a record low of 69.30 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 Marshall County, MS - last updated from the United States Federal Reserve on September of 2025.