Picking your teachers is the point with vouchers. And the fixation with religious schools is a little over the top Nero. Private schools serious about reading writing math science and technology could do a much better job without the overhead expense of the out of touch and out of classroom admin that adversely affects the public system. Smaller class sizes, better pay for teachers, parents more involved because they are exercising choice and monitoring progress. All possible with vouchers. If the public system ups their game and becomes viable then parents will take their child and associated funds to the public school. Excellent teachers win students win parents win society wins. Win Win Win Win.