Policymakers have long sought to raise expectations for students through standards-based reform. I examine the extent to which the Common Core State Content Standards (CC) affected student achievement and the size of achievement gaps. I merge together data on preparation for and implementation of the CC with the National Assessment of Educational…

As an early Common Core booster, Michael Petrilli had hoped that by now--10 years after most states adopted the standards--the nation's schools would have logged tangible improvements in teaching and learning that resulted in higher student achievement. In this article, Petrilli reviews what Common Core is and discusses the work ahead that is…

Education standards do not flop spectacularly. Their failure gives rise to nothing like the black-and-white films of early aeronautical experiments: no missiles exploding on launch pads or planes tumbling from the sky. But 10 years after 46 of the 50 states adopted the Common Core standards, the lack of evidence that they have improved student…

The 10th anniversary of Common Core's launch offers the opportunity to take stock of the impact these nearly national standards have had on student learning, as well as their future prospects. In this article, Morgan Polikoff shares his view that the standards movement in general, and Common Core in particular, have achieved all they are going to…

The Common Core State Standards, released in 2010, were rapidly adopted by more than 40 states. Champions maintained that these rigorous standards would transform American education, but the initiative went on to encounter a bumpy path. A decade on, what are we to make of this ambitious effort? What kind of impact, if any, has it had on the…

In spite of Tea Party criticism, union skepticism, and anti-testing outcries, the campaign to implement Common Core State Standards (otherwise known as Common Core) has achieved phenomenal success in statehouses across the country. Since 2011, 45 states have raised their standards for student proficiency in reading and math, with the greatest…