Illinois public school districts ranked by the share of the district's schools that are charters. Districts need at least 2 schools and 500 students to qualify.
| # | District | State | Charter schools | % Charter schools |
|---|---|---|---|---|
| 1 | North Chicago SD 187 | IL | 2 | 25.0% |
| 2 | Chicago Public Schools Dist 299 | IL | 111 | 17.8% |
| 3 | East St Louis SD 189 | IL | 1 | 10.0% |
| 4 | Rockford SD 205 | IL | 3 | 6.8% |
| 5 | Decatur SD 61 | IL | 1 | 6.7% |
| 6 | McLean County USD 5 | IL | 1 | 4.2% |
| 7 | Peoria SD 150 | IL | 1 | 4.0% |
| 8 | CUSD 300 | IL | 1 | 3.7% |
| 9 | Springfield SD 186 | IL | 1 | 3.2% |