Do you really want schools to be part of the "get what you pay for" world? Every teacher with an advanced degree who is worth their salt will flock to the rich school districts and every imbecile who can't put a sentence together will be dumped in middleclass and poor districts.
They'll become like lawyers. You can hire a lawyer for a hundred bucks an hour or six hundred bucks an hour.
Yes, as you can see, I am an ultra Conservative. It's my business background. One who had to engage competition in the private sector to grow a business and employee people.