A coalition of 17 downstate school districts say they filed a lawsuit Wednesday against Gov. Bruce Rauner and his administration, contending the state has failed to provide enough money to deliver a “high quality” education for students.

The suit against Rauner and the Illinois State Board of Education argues that Illinois’ reliance on local property taxes to pay for schools creates a disparity in poorer communities where districts have less of a tax base to rely on. That makes it harder for students to meet educational standards adopted by the state as class sizes increase and programs are cut.