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 ...

The effort follows earlier battles over social studies and could spread to other states reviewing academic standards.

In “Do Sports Explain the ‘Math Gender Gap’?” (op-ed, Sept. 8), J.T. Young speculates whether “the way we teach math is somehow biased against girls.” A related issue is that recent teaching ...