Vouchers undermine the separation of church and state.
Private school vouchers —whether disguised as a scholarship, a tuition tax credit, or an education savings account— primarily fund religious schools. This violates the fundamental principle that taxpayer funds should never pay for religious education.
Is the United States a "Christian nation"? Some Americans think so. Religious Right activists and right-wing television preachers often claim that the United States was founded to be a Christian nation. Even some politicians agree.