In sorting through these diverse approaches, I have found it useful to place them into several broad categories, and, using these categories, I created a conceptual map that I have presented in workshops and courses. This map enables us to compare apples to oranges, so to speak. It can help answer numerous basic questions: What makes a Waldorf school different from a progressive school? In what ways does “unschooling” work well for some children but not as well for others? How much adult authority is appropriate or necessary to allow children to achieve specific learning goals?