High School Graduate or Higher (5-year estimate) in Jefferson County, TN was 89.00% in January of 2024, according to the United States Federal Reserve. Historically, High School Graduate or Higher (5-year estimate) in Jefferson County, TN reached a record high of 89.00 in January of 2024 and a record low of 77.80 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 Jefferson County, TN - last updated from the United States Federal Reserve on April of 2026.