High schools in Illinois.
972 high schools across 526 districts. Browse by district and city below.
U.S. high schools are also searched as secondary or higher secondary schools. The free directory exposes identity and navigation; detailed metrics remain licensed.
High schools in Illinois, by district.
Counts are from v2026.07 K12 Atlas profiles. Linked district pages are limited to the current Texas pilot; the state page retains the complete district list.
High schools by city.
170 high schools
11 high schools
9 high schools
9 high schools
8 high schools
8 high schools
7 high schools
7 high schools
7 high schools
6 high schools
6 high schools
6 high schools
6 high schools
6 high schools
5 high schools
5 high schools
5 high schools
5 high schools
5 high schools
5 high schools
5 high schools
5 high schools
5 high schools
4 high schools
Questions about Illinois high schools.
How many high schools are in Illinois?
K12 Atlas profiles 972 high schools in Illinois in release v2026.07, across 526 districts.
Do secondary and higher secondary searches mean high school here?
For this U.S. directory, secondary and higher secondary searches are routed to reported high schools; each profile shows its exact grade span.
How do I browse Illinois school districts?
Use the state directory for the complete district list. Linked district pages are limited to the current Texas pilot.
Can I download the full list of Illinois high schools?
The directory pages are free. Full school rows and programmatic access are paid and key-gated — see API access.
Need the full Illinois dataset?
Licensed access returns every Illinois school with all 122 documented fields, each tied to a source and vintage.