That's an empty threat if you have segregated schools. Because they don't care about those other schools anyway. So there's no change--either they care about on

That's an empty threat if you have segregated schools. Because they don't care about those other schools anyway. So there's no change--either they care about only the schools in "good neighborhoods" or they care only about private schools. At least in the latter case we aren't adding insult to injury by making everyone contribute to effectively private schools.