The largest public schools in Illinois
Adlai E Stevenson High School in Lincolnshire was Illinois's largest public school in 2024-25, with 4,758 students.
NCES Common Core of Data 2024-25 · ranked by fall 2024 membership, schools open that year · method
The chart draws the top of the register below; its source is named under the register.
The 50 largest, with their teachers
| School | City | Students | Per teacher | Online |
|---|---|---|---|---|
| Adlai E Stevenson High School | Lincolnshire | 4,758 | 16.0 | No |
| Lane Technical High School | Chicago | 4,604 | 16.6 | No |
| Taft High School | Chicago | 4,487 | 16.3 | No |
| Waukegan High School | Waukegan | 4,186 | 13.0 | No |
| East High School | Aurora | 4,020 | 18.8 | No |
| Lyons Twp High School | La Grange | 3,706 | 13.9 | No |
| Lockport Township High Sch East | Lockport | 3,678 | 16.4 | No |
| West Aurora High School | Aurora | 3,641 | 16.2 | No |
| Evanston Twp High School | Evanston | 3,560 | 12.1 | No |
| Warren Township High School | Gurnee | 3,537 | 15.6 | No |
| Joliet West High School | Joliet | 3,451 | 20.6 | No |
| J Sterling Morton East High School | Cicero | 3,394 | 18.3 | No |
| J Sterling Morton West High School | Berwyn | 3,374 | 15.5 | No |
| Oak Park & River Forest High School | Oak Park | 3,307 | 13.7 | No |
| Bolingbrook High School | Bolingbrook | 3,298 | 13.4 | No |
The other 35 on the list
Source: NCES Common Core of Data 2024-25: membership, staff and the directory's virtual-status field.
More lists for Illinois
- 01Public schools in Illinois
The state hub: schools, students, districts
- 02Every school district
Directory, 2024-25
- 03Fewest students per teacher
Schools, 2024-25
- 04Highest-spending districts
F-33 fiscal year 2022-23
- 05Teacher salary spending by district
F-33 fiscal year 2022-23
- 06Largest schools in the U.S.
The national list
Sources
Source: NCES Common Core of Data School directory, membership and staff files · 2024-25