In the 2023-24 school year, 40.5% of Naperville Community Unit School District 203 students failed the math portion of the Illinois Assessment of Readiness (IAR) test, according to the Illinois State Board of Education.
These students did not meet the required standards of the math portion of the IAR compared to the 59.5% who did.
The total number Naperville Community Unit School District 203 students who failed their math assessments fell by 0.3% from the previous school year.
Naperville Community Unit School District 203 roughly covers schools within DuPage County and has a main office in Naperville.
The Illinois Assessment of Readiness (IAR) measures how well students in grades 3-8 are progressing toward state standards in English language arts and mathematics.
Recent IAR data shows that while Illinois students improved slightly in the test, math performance remains below pre-pandemic levels. In 2024, 28.4% of students met math benchmarks, compared to 31.8% in 2019. However, data also indicates a significant achievement gap based on race and ethnicity.Â
The disparities were even more pronounced in math. White students achieved a proficiency rate of 38.7%, while Black students achieved 9.1% and Hispanic students 15.6%. Asian students achieved the highest proficiency rates in both subjects, hitting 68.2% in ELA and 61.4% in math.
| School | District | Students who did not meet met standards (%) |
|---|---|---|
| Jefferson Junior High School | Naperville Community Unit School District 203 | 56.7% |
| Washington Junior High School | Naperville Community Unit School District 203 | 49.6% |
| Beebe Elementary School | Naperville Community Unit School District 203 | 47.8% |
| Elmwood Elementary School | Naperville Community Unit School District 203 | 47.5% |
| Lincoln Junior High School | Naperville Community Unit School District 203 | 44.3% |
| Madison Junior High School | Naperville Community Unit School District 203 | 43.9% |
| Kingsley Elementary School | Naperville Community Unit School District 203 | 43.1% |
| Scott Elementary School | Naperville Community Unit School District 203 | 43.1% |
| Steeple Run Elementary School | Naperville Community Unit School District 203 | 41.6% |
| Mill Street Elementary School | Naperville Community Unit School District 203 | 39.1% |
| Prairie Elementary School | Naperville Community Unit School District 203 | 37.2% |
| River Woods Elementary School | Naperville Community Unit School District 203 | 37% |
| Ranch View Elementary School | Naperville Community Unit School District 203 | 36.8% |
| Maplebrook Elementary School | Naperville Community Unit School District 203 | 35.4% |
| Naper Elementary School | Naperville Community Unit School District 203 | 33% |
| Kennedy Junior High School | Naperville Community Unit School District 203 | 28% |
| Highlands Elementary School | Naperville Community Unit School District 203 | 25.5% |
| Ellsworth Elementary School | Naperville Community Unit School District 203 | 19.7% |
| Meadow Glens Elementary School | Naperville Community Unit School District 203 | 17.3% |



