In the meantime, kids would be swishing back and forth between schools till everything settled.
Personally I like private schools and home schooling. Kids learn better. P-schools in BC teach to the lowest common denominator, so the brighter kids are bored all the time. Our kids complained about that so we pulled them and taught them at home.
This would be another advantage of a voucher system. If you home school, you could cash the voucher in yourself, and take it as your own teacher salary of sorts. You can't do that when the government just gives the money to the schools.