It's weird, but it sounds like they just wanted to get rid of a "problem family". Like why would administration even care about a particular teacher's lesson plans? And usually this doesn't make news. A parent tells the school or teacher "I'm not comfortable having X do this assignment." and the school says "Ok." and that's it. I get the feeling there's more going on between the parents and staff than they're telling us.

Ironically the removal wouldn't have happened in a public school. They'll gladly keep your kid and subject him to ten times worse.