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 ...

FLORISSANT • The 40 parents sat in child-sized chairs inside the library of Barrington Elementary School and watched intently as a fourth-grade teacher wrote a problem on the smartboard. Then she ...

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 ...