As more states adopt publicly-funded school voucher programs, advocates and opponents are engaging in a debate over whether parents, or the government, should be responsible for holding private schools accountable. The key question is "in exchange for accepting vouchers from parents, exactly what information should private schools be required to disclose, to whom, and when?"

http://usnews.nbcnews.com/_news/2012/08/21/13395335-school-vouchers-make-a-comeback-amid-concerns-about-quality