High School Graduate or Higher for Iowa was 93.50% in January of 2022, according to the United States Federal Reserve. Historically, High School Graduate or Higher for Iowa reached a record high of 93.50 in January of 2022 and a record low of 88.90 in January of 2006. Trading Economics provides the current actual value, an historical data chart and related indicators for High School Graduate or Higher for Iowa - last updated from the United States Federal Reserve on May of 2024.