| Lane | Team | Squad | Seed |
|---|---|---|---|
| 1 | Chicago (Lincoln Park) | A | 58.60 |
| 2 | J. Sterling Morton Township | A | 54.89 |
| 3 | Chicago (Simeon) | A | 53.13 |
| 4 | Eisenhower | A | 52.02 |
| 5 | St. Laurence | A | 52.60 |
| 6 | Crete (C.-Monee) | A | 54.00 |
| 7 | Wendell Phillips | A | 55.69 |
| Lane | Team | Squad | Seed |
|---|---|---|---|
| 1 | DeKalb | A | 50.78 |
| 2 | Thornwood | A | 50.30 |
| 3 | Olympia Fields (Rich Central) | A | 49.14 |
| 4 | Homewood-Flossmoor | A | 47.08 |
| 5 | Chicago (Kenwood) | A | 48.25 |
| 6 | South Shore Int'l Prep | A | 50.12 |
| 7 | Richton Park (Rich South) | A | 50.73 |
| 8 | Niles North | A | 51.18 |