More than six years after states began adopting the Common Core State Standards in English/language arts and math, most teachers say they are now familiar with the standards, and a growing number feel ...

Normally, Sherry Geesaman wouldn’t be nervous. Normally, she’d flip open a plan book or a textbook and start riffing. That is, after all, what veteran educators do. And Geesaman’s been teaching for 20 ...