Naperville Community Unit School District 203

Naperville Community Unit School District 203 (Naperville CUSD 203) serves roughly 16,000 students across central and northern Naperville, plus small portions of Lisle and Bolingbrook. It is the more established and compact of Naperville’s two public school districts.

District 203 operates 22 schools: two high schools, Naperville Central and Naperville North, five junior high schools, 14 elementary schools, and the Ann Reid Early Childhood Center. It is known for its K-8 Spanish and English dual-language immersion program, and it offers honors, dual-credit, and Advanced Placement coursework at the high-school level. As of 2026, Niche gave the district an A+ grade and ranked it among Illinois’ top districts.

Schools are assigned by home address, so use the district’s boundary tools or the Centralized Enrollment Office (630.548.4320) to confirm the exact schools for any property.