District Directory Information (2025-2026 School Year)
District Name: Naperville CUSD 203 (Schools in this District)
NCES District ID: 1727710
State District ID: IL-19-022-2030-26
Mailing Address:203 W Hillside RdNaperville IL, 60540 –6500
Phone: (630)420-6311
Type: Regular local school district
Status: Open
Total Schools: 22
Supervisory Union #: N/A
Grade Span: PK - 12
PKKG123456789101112
District Details (2024-2025 school year; Fiscal data from 2022-2023)
County: Dupage County
County ID: 17043
Locale: City, Midsize (12)
CSA/CBSA: 16980
Total Students: 16,047
Classroom Teachers (FTE): 1,186.05
Student/Teacher Ratio: 13.53
Source: CCD public school district data for the 2024-2025, 2025-2026 school years
Notes:
  • * denotes a column with data from 2025-2026
  • [ † ] indicates that the data are not applicable. For example, the enrollment and staff characteristics for districts that opened in the 2025-2026 school year will not be available until the full 2025-2026 file is released.
  • [ – ] indicates that the data are missing.
  • [ ‡ ] indicates that the data do not meet NCES data quality standards.
  • The directory information on district name, address, and phone number are preliminary data from initial submissions of district level data for 2025-2026.
  • Data provided on student membership and staffing are from the official district level data for 2024-2025.