This report is the ACT annual report on the progress of U.S. high school graduates relative to college readiness. This year's report shows that 64% of students in the 2016 US graduating class took the ACT test, up from 59% in 2015 and 49% in 2011. The increased number of test takers over the past several years enhances the breadth and depth of the data pool, providing a comprehensive picture of the current graduating class in the context of college readiness, as well as offering a glimpse at the emerging educational pipeline. This national report presents key findings on performance, STEM, career readiness, impact, behaviors that impact access and opportunity, and pipeline. [For the 2015 report, see ED563779.]