High School Graduate or Higher (5-year estimate) in Prairie County, MT was 86.20% in January of 2022, according to the United States Federal Reserve. Historically, High School Graduate or Higher (5-year estimate) in Prairie County, MT reached a record high of 95.70 in January of 2017 and a record low of 83.70 in January of 2012. Trading Economics provides the current actual value, an historical data chart and related indicators for High School Graduate or Higher (5-year estimate) in Prairie County, MT - last updated from the United States Federal Reserve on May of 2024.