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 ...

Re “The UCSD lesson: Math proficiency scandal shows need for standardized tests and folly of dumbing school down” (Nov. 30): Common Core Math was introduced in 2010. As a parent of a high school ...

Fifteen years after the calamitous rollout of the Common Core math standards, the once-derided strategy has proven its staying power, with many states holding onto the original plan or some close ...