The education system of the United States is not adequately preparing a large proportion of its students for college, career-training, and, ultimately, jobs that provide enough income to support a middle class standard of living. Because the education system has failed to attain hoped-for outcomes, some states are investigating new systems,…

The Common Core State Standards (CCSS) for K-12 English language arts/literacy and mathematics, released in 2010, have been adopted by 49 states and territories; the District of Columbia; and the U.S. Department of Defense schools, which serve the children of U.S. service members around the world. The widespread adoption of the CCSS is a major…

Advanced Placement (AP), which enables high school students to take introductory college-level courses, is the nation's oldest example of a rigorous, common curriculum. Students who score well on AP exams are more likely to persist in college and earn a degree. The Advanced Placement Expansion project of the National Governors Association Center…