The public school system is an abject failure. Competition would force them in to ACTUALLY doing the job
that they are supposed to be doing. That would be best for your kids. This is not a difficult concept.
I agree that the public school system is a failure. This is nothing new. However, (what might barely pass for) competition is not a fix-all for our country's educational problems. Who is competing? Who is "they"? You have created a scapegoat -- a collage of professions, positions and authorities -- that you can blame problems on and seek to punish.
Is "they" the teachers? They dont get paid anything extra for teaching more kids. They get less stress for teaching fewer kids. In short, they gain when parents choose private schools over public schools. Please dont suggest decreasing pay when students leave or increasing pay when students enroll. This would only cause overcrowding of classrooms for the sake of profit.
Is "they" the administrators? They dont care about enrollment; thier salaries are not affected. If they run out of money, they'll borrow it, "tumble" the numbers, cut programs, stop buying books or fire teachers. They will let schools go completely to hel(l) (am I allowed to say hel l on anands?) before they take a pay cut or start looking for other jobs.
Is "they" the students? I hope not. They will suffer from decreased programs, lack of books, overcrowded classrooms, etc when funds are taken away.
These programs seek to punish "them" for providing poor schools. The problem is twofold. 1) Punishment does not work. 2) There is no "them" to punish. The only people who have anything to lose from these programs are the students whose parents cannot afford to pay for the other 80% of a private school. The only way for the students to win would be for the government to pay the entire bill for private school.
(I know that vouchers pay for different percentages dependent on location. I'm looking at New York, where tuition for a good-but-not expensive private (religous) school is $16,000 for 8th grade. Private, non-religous schools are more expensive.)