Scott Walker wants to let schools cut down on class time. That’s really risky.

Noted: But educational research has found that the number of hours in the classroom matters. “I think it’s a bit counterintuitive based on research we know on instructional time,” Julie Mead, an education policy professor at University of Wisconsin Madison, said. “In these budgetary times, those districts without the means could cut instructional time, which would exacerbate the differences between the haves and the have-nots.”