What makes a school great? Parents have traditionally relied on websites like GreatSchools, Niche.com, and SchoolDigger to chose the best schools for their children — the higher the score, the better. But what exactly do those scores measure? Should schools be rated and reviewed like restaurants, movies, and Uber rides? Or are the stakes higher? On this episode of The Why, WHYY education reporter Avi Wolfman-Arent tells us why Pennsylvania is taking a new approach.