On this week’s podcast, Eric Parsons, associate teaching professor of economics at the University of Missouri and co-author of our new report “Bridging the Covid Divide,” joins Mike Petrilli and David Griffith to discuss what he and his fellow researchers learned about measuring student achievement growth in the absence of 2020 test scores. On the Research Minute, Amber Northern examines the effects of a single virtual charter school on student achievement, controlling for student mobility.