Unlike public schools, many private schools accepting voucher funds aren't required to meet the same standardized testing, hiring, or curriculum transparency requirements. Critics argue this creates an accountability gap: taxpayer dollars fund private education without the same public reporting on student outcomes, discipline practices, or admissions criteria that public schools must provide. Advocates argue this gap in oversight undermines public confidence in how taxpayer dollars are spent. They see closing this accountability gap as essential before further expanding voucher programs.