For an updated version of this story, see “Review of Math Programs Comes Under Fire.” The first round of a Consumer Reports-style review for instructional materials paints a dismal picture of the ...

Sean Nank is a math expert who is helping teachers to implement the Common Core standards. He’s a professor at the American College of Education, created in 2005 to provide online graduate programs ...

For five years, a San Francisco foundation funded, and a research organization closely monitored, a collaboration by 10 California districts to raise achievement under the Common Core math standards.