Melissa Willes has $25,000 in student loans and no degree to show for it. Now she’s suing Westwood College for operating in Wisconsin without the required state approval.

Nearly four in 10 Wisconsin elementary students qualified for free or reduced-price lunch last school year, and the proportion of low-income elementary students has climbed every year of this decade, according to state Department of Public Instruction data analyzed by the Wisconsin Center for Investigative Journalism.