High School Graduate or Higher (5-year estimate) in Westchester County, NY was 89.30% in January of 2022, according to the United States Federal Reserve. Historically, High School Graduate or Higher (5-year estimate) in Westchester County, NY reached a record high of 89.30 in January of 2022 and a record low of 87.30 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 Westchester County, NY - last updated from the United States Federal Reserve on May of 2024.