Naperville CUSD 203
Naperville, Illinois · 16,073 students · 22 schools
Enrollment
16,073
Schools
22
Location
Naperville, Illinois
Schools in this district
Naperville North High SchoolNaperville, IL
2,553 students
Naperville Central High SchoolNaperville, IL
2,551 students
Kennedy Junior High SchoolLisle, IL
931 students
Methodology & sources
- NCES Common Core of Data (CCD) directory
- U.S. Dept. of Education EDFacts assessment results
- Illinois accountability framework (tier). Phase 1a uses math+ELA proficiency only with generic regime cutpoints; per-state component weights ship in Phase 1b. (as of 2026-05-27)
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Start learning free →About this profile. COSMIQ is an independent, free AI tutoring service and is not affiliated with, endorsed by, or sponsored by Naperville CUSD 203, Illinois, or any government education agency. All figures are drawn from public U.S. Department of Education data (NCES Common Core of Data and EDFacts). Any projected rating is an independent estimate, not an official score. COSMIQ does not collect or publish user reviews or ratings of schools.
Data last refreshed July 7, 2026.