In the 2022-23 school year, 41% of William J. Butler School students passed the mathematics portion of the IAR test, according to the Illinois State Board of Education.
In the 2022-23 school year, 38% of William J. Butler School students passed the ELA portion of the IAR test, according to the Illinois State Board of Education.
In the 2022-23 school year, 59% of William J. Butler School students failed the mathematics portion of the IAR test, according to the Illinois State Board of Education.
In the 2022-23 school year, 62% of William J. Butler School students failed the ELA portion of the IAR test, according to the Illinois State Board of Education.