Kai Ryssdal: For those who haven’t been in a modern public school classroom lately, there have been some changes since the days you had to whack the erasers together after class to clean them out.

A trip to Hiroshima, Japan early in his teaching career set Eric Westendorf on a path to revolutionize curriculum. “I spent two weeks in schools observing teachers planning and teaching," he says. "It ...

I’m intrigued by any effort to reduce our perpetual re-invention of the wheel in education, so it’s with great interest that I’ve followed the progress of LearnZillion over the past few months.