Between 2011 and 2015, math scores on the National Assessment of Educational Progress declined in twenty states, rose in just nine, and were mixed in two. Arkansas, Colorado, Delaware, Kansas, Montana, Nevada, and Vermont, for example, all saw declines in both fourth- and eighth-grade math scores. Over the same period of time, national trends were essentially flat. Mike Petrilli discusses which states are on a hot streak coming into the 2017 NAEP release—but what changes will be revealed on April 10 when the results come out?

—Education Next