Starting in 2015, Chicago Public Schools made changes to the way that it grades schools, giving more weight to progress and less weight to achievement. These days, nearly two-thirds of schools receive the equivalent of an A or a B grade. The district says that reflecting progress is fair. But critics argue that CPS has shifted the goal posts to give the impression that schools have been performing much better over time, which hasn’t always been the case.

Morning Shift talks to WBEZ education reporter Sarah Karp about her investigation into how CPS schools are graded. Her web article is called ‘New Yardstick Driving Better Grades For CPS School, Not Better Grades.’