High School Graduate or Higher (5-year estimate) in Carroll County, TN was 88.70% in January of 2022, according to the United States Federal Reserve. Historically, High School Graduate or Higher (5-year estimate) in Carroll County, TN reached a record high of 88.70 in January of 2022 and a record low of 77.30 in January of 2011. Trading Economics provides the current actual value, an historical data chart and related indicators for High School Graduate or Higher (5-year estimate) in Carroll County, TN - last updated from the United States Federal Reserve on May of 2024.