High School Graduate or Higher (5-year estimate) in King County, TX was 78.80% in January of 2022, according to the United States Federal Reserve. Historically, High School Graduate or Higher (5-year estimate) in King County, TX reached a record high of 92.90 in January of 2012 and a record low of 76.50 in January of 2021. Trading Economics provides the current actual value, an historical data chart and related indicators for High School Graduate or Higher (5-year estimate) in King County, TX - last updated from the United States Federal Reserve on May of 2024.