According to Time

Sugarman said the fact that both Gov. Arnold Schwarzenegger and the state superintendent have spoken out against this ruling means that, chances are, even if the case is held up in the California Supreme Court, uncredentialed parents will still be allowed to educate their children — that there is nothing that requires the state to aggressively go after people. Indeed, the education department (which is not involved in the lawsuit) will not want to waste their resources going after such parents, despite the "illegality" of their actions, leaving the Second District Court of Appeals opinion of the law unenforced.