By David Plank
Imagine you are a judge on a cooking show. Every contestant prepares three different dishes, and you must choose the best cook. But different cooks are good at different things, so what measure can you use to judge them all?
That’s the question California lawmakers are grappling with in trying to rate schools. Historically, we’ve thrown all the things that schools do into a blender and judged the “soup” that comes out.