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.

Cookies and math tend to go together in an elementary school classroom. And not always as reward for a correct answer. Teachers use them as conceptual props to explain an operation like division. It ...

After a long and frustrating homework session with his 2nd grade son one day last school year, Jeff Severt dashed off a letter to the teacher. “I have a bachelor of science degree in electrical ...