| May 2 | | Arlington Heights (Hersey) |
| May 1 | | Buffalo Grove |
| May 1 | | Darien (Hinsdale South) |
| May 1 | | Downers Grove (North) |
| May 1 | | Elgin (Larkin) |
| May 2 | | Evanston (Twp.) |
| May 1 | | Glen Ellyn (Glenbard West) |
| May 1 | | Hinsdale (Central) |
| May 1 | | Lockport (Twp.) |
| May 1 | | Lombard (Glenbard East) |
| May 1 | | Naperville (Central) |
| May 1 | | Naperville (North) |
| May 1 | | New Lenox (Lincoln-Way Central) |
| May 1 | | Tinley Park (Andrew) |
| May 3 | | Villa Park (Willowbrook) |
| May 2 | | Wheeling |