I think that is great. They should be able to get what they want for their kids. In fact, they will probably be moving their kids from one racially isolated school to another racially isolated school. Elizabeth Coleman makes the usual complaint that we are siphoning money from the public schools with these plans, neglecting to note, of course, that children are leaving, so there are fewer children over whom to spread the money. Alas, our public schools are not doing significantly better.
Most people think they are doing worse.
If we have widespread school choice, public schools will get better. They will get better because they will want to hold on to their enrollment. In order to hold on to their pupils, they will be more responsive to the needs of kids - needs that are neglected now. We see this already with charter schools. When charter schools begin to spring up in substantial numbers in the community, the public schools respond and the public schools do more.