On August 31, 2017, Illinois adopted a new school funding formula based on our firm’s Evidence-Based (EB) adequacy model. In Spring 2016, the state’s governor appointed a school finance task force comprised primarily of legislators. Michelle Mangan, an associate professor at Concordia University and an Allan Odden advised Ph.D. graduate of the University of Wisconsin who had worked with us in several states, provided technical advice to the Task Force on the EB model. The new funding formula includes all the core EB model elements, including the additional tutors, extended day, summer school and counseling resources for at risk students. Though it will take several years for full implementation, Illinois becomes the 6th state with the EB model as the basis of its school funding structure.