Add Yahoo as a preferred source to see more of our stories on Google. Fifteen years after the calamitous rollout of the Common Core math standards, the once-derided strategy has proven its staying ...

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 ...

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.