Thanks for the link, ontheroad. There are lots of online schools in the US, some with more oversight than others. Several online schools are actually run by the government as a form of public school.
MrMoo, I'm not arguing with you but in the US it is legal to homeschool in each of the 50 states. Each state sets accountability standards for the students and parents. Homeschoolers in the US are a widely diverse group, some homeschool for religious reasons, some homeschoolers lean far to the left, and there are others in between. Many families have found that homeschooling works for their family for a variety of reasons.