Entrance tests (SAT/ACT) suggest that many American high
school students are not ready for college
http://www.bloomberg.com/news/articles/2015-09-03/students-bombed-the-sat-this-year-in-four-charts
http://www.washingtonpost.com/local/education/sat-scores-at-lowest-level-in-10-years-fueling-worries-about-high-schools/2015/09/02/6b73ec66-5190-11e5-9812-92d5948a40f8_story.html
http://www.washingtonpost.com/local/education/sat-scores-at-lowest-level-in-10-years-fueling-worries-about-high-schools/2015/09/02/6b73ec66-5190-11e5-9812-92d5948a40f8_story.html