Percent of U.S. Graduates Who Took the ACT
About 45% of all 2009 high school graduates in the United States took the ACT during high school, or about 1.48 million graduates.
From 2005 to 2009, the number of high school graduates who took the ACT increased by approximately 25%. This represents a 5 percentage point increase of all U.S. high school graduates who took the ACT.