A coalition of Illinois public school teacher unions said private schools participating in voucher-style programs maintain discriminatory policies and urged Gov. JB Pritzker to opt the state out of the federal Tax Credit for Contributions to Scholarship-Granting Organizations program.
Public-sector teacher unions in Illinois function as collective bargaining entities, focusing on negotiating salaries, benefits, work rules, and job protections for their members within traditional public school systems. Union membership and influence are closely linked to public school enrollment and staffing levels. Policies that expand private or alternative education options can introduce competitive pressures that potentially affect union influence and employment security.
According to data from the National Center for Education Statistics and the Bureau of Labor Statistics, compensation for public school teachers is largely determined by collectively bargained salary schedules based on tenure and credentials rather than student outcomes. These structures provide predictable pay and benefits regardless of district academic performance, a model that unions defend as promoting stability and retention within the public education workforce.
Research from the U.S. Department of Education and various academic studies indicates that school choice programs—including vouchers and tax-credit scholarships—can create enrollment competition for traditional public schools. Teacher unions have historically opposed such programs, arguing they reduce resources for public schools. Supporters of these programs contend that competition pressures districts to improve performance and efficiency.
Illinois teacher unions represent educators employed by public school districts with a primary focus on negotiating labor contracts, advocating for education funding, and protecting member employment conditions. Their advocacy consistently prioritizes preserving public school enrollment, staffing levels, and collective bargaining frameworks.



