This is an easy post- there's no such thing! Nope. Not allowed. Verboten. We had the same response when traveling in Ireland last year during school times as we do here. People are shocked that we're 'allowed' to take the kids out of school. It is not allowed here, nor in Ireland. Once I say, "Oh, they're homeschooled" they sort of relax and say, "Oh, so you've hired a private teacher that comes to your home, then." Nope, I say. "They just learn in context to their lives."
It is truly one of the rare times I really feel boldly, proudly American as I say, "The states were founded upon the ideals of freedom. Parents have more rights over their children than the government does." Although those rights are constantly up for vote and it is a bit of a struggle to keep them- up until now we still have that right. How certain states have managed to outlaw nursing in public is still too odd to fathom. Homebirth is also technically illegal in some states but there are still ways of getting around it. All that being said, we still tend to have more freedom in the States than many other people in other parts of the world do.