You might be able to try it out in Denmark. Granted it would never fly in the public schools, but we have something called "free"* schools that are largely subs

You might be able to try it out in Denmark. Granted it would never fly in the public schools, but we have something called "free"* schools that are largely subsidised by the public, but with very wide rules for what they can do, so you might be able to use that. * Free as in speech, but I don't think there is anything like that in the US.