The 74 <br> Across the country, <a href="https://www.the74million.org/article/teachers-union-lawsuits-in-5-states-challenge-private-school-vouchers/?utm_source=The%2074%20Million%20Newsletter&utm_campaign=d3b6c63b6e-EMAIL_CAMPAIGN_2022_07_27_07_47_COPY_01&utm_medium=email&utm_term=0_077b986842-d3b6c63b6e-176497967">teachers unions have been challenging the constitutionality</a> of their states’ private school voucher programs in court. And in at least two cases, they’ve won.