A few days ago a group of students and parents at Berwyn’s Morton West High School were protesting against the current use of interval grading. What is interval grading? It’s a form of grading that widens the chance of getting a better grade while reducing the chances of getting an “F”. So why the move to institute this alternative? Joining us to answer that questions is Prof. Camille Farrington at University of Chicago. (Photo: Flickr/pjern)