How Do We Change Our Classrooms to Be More Like the ABCDF System?

"I love the idea of giving students a practical tool. It's also one of those tools you can use the rest of your life," she says. "How is this test going to prepare you for the next test once you learn how you did, how long it took to study?" She adds: "We have come in being ranked and rated since birth ... How do we kind of transform our classrooms? And then how can we carry that transformation forward"?