In the 2021-22 school year, 36.2% of Naperville Community Unit School District 203 students failed the ELA portion of the IAR test, according to the Illinois State Board of Education report.
In the 2021-22 school year, 39% of Gower School District 62 students failed the ELA portion of the IAR test, according to the Illinois State Board of Education report.
In the 2021-22 school year, 50.5% of Center Cass School District 66 students failed the ELA portion of the IAR test, according to the Illinois State Board of Education report.
In the 2021-22 school year, 50.7% of Indian Prairie School District 204 students failed the Math portion of the IAR test, according to the Illinois State Board of Education report.
In the 2021-22 school year, 50.8% of Glen Ellyn Community Consolidated School District 89 students failed the ELA portion of the IAR test, according to the Illinois State Board of Education report.