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.

This story was produced by the Hechinger Report, a nonprofit, independent news organization focused on inequality and innovation in education. Read more about the Common Core. SAN ANTONIO—Karen Demore ...

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As states continue to draw lines in the sand about whether or not they have adopted the Common Core State Standards, there’s some evidence the new benchmarks have crept into classrooms in all ...

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Elementary and middle school math teachers have mixed feelings on the Common Core State Standards, saying both that they set unrealistic expectations and will have long-term benefits, according to the ...

It’s been five years since controversy peaked over the Common Core State Standards and their use in Catholic schools. What have we learned? By 2013 the Common Core was being adopted rapidly by ...

Note to 2016 GOP contenders: The Common Core has won the war. Republican presidential candidates are still bashing the divisive K-12 standards. Donald Trump recently called the Common Core a “complete ...

Three school math problems have thousands of people on Facebook and Reddit talking. The reason? Even though the students' answers appear to be totally correct, they were still marked wrong. Here's one ...

Fifth-grade math teacher Wei Zhang moves her hands in small circles with her palms up, coaxing her students to think about the math problem on the board. “This way makes it easier to certain people,” ...