High School Graduate or Higher (5-year estimate) in Carroll County, IN was 90.30% in January of 2022, according to the United States Federal Reserve. Historically, High School Graduate or Higher (5-year estimate) in Carroll County, IN reached a record high of 90.30 in January of 2022 and a record low of 87.50 in January of 2014. 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, IN - last updated from the United States Federal Reserve on June of 2024.