2018 Substance Use Rates (Percentage) by Illinois Grade

Center for Prevention Research and Development. (2018). Illinois Youth Survey 2018 Frequency Report: State of Illinois. Champaign, IL: CPRD, School of Social Work, University of Illinois. *"Illicit" drugs include crack/cocaine, hallucinogens/LSD, MDMA/Ecstasy, Meth and Heroin