High School Graduate or Higher (5-year estimate) in Smith County, TX was 87.60% in January of 2022, according to the United States Federal Reserve. Historically, High School Graduate or Higher (5-year estimate) in Smith County, TX reached a record high of 87.60 in January of 2021 and a record low of 84.20 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 Smith County, TX - last updated from the United States Federal Reserve on May of 2024.