| Class 4A |
| 1. Whitney Young (15-1) beat Marshall 80-66, beat Lane Tech 77-53. |
| 2. Evanston Township (17-3) idle. |
| 3. Rolling Meadows (15-1) lost to Hersey 23-40. |
| (tie) Simeon (7-1) beat Phillips 65-37. |
| 5. Mindelein (13-2) idle. |
| 6. New Trier (13-2) idle. |
| 7. Glenbrook South (16-2) idle. |
| 8. Brother Rice (13-1) idle. |
| 9. Belleville East (12-2) idle. |
| 10. Glenbard West (16-2) idle. |
| Class 3A |
| 1. Hillcrest (13-0) idle. |
| 2. DePaul College Prep (14-2) idle. |
| 3. Niles Notre Dame (16-3) idle. |
| 4. Peoria Notre Dame (14-1) idle. |
| 5. Fenwick (14-3) idle. |
| (tie) Kankakee (12-1) idle. |
| 7. Rock Island (14-2) idle. |
| 8. Washington (16-1) idle. |
| 9. Effingham (17-1) idle. |
| 10. Springfield Lanphier (13-1) idle. |
| Class 2A |
| 1. Rockford Lutheran (16-0) idle. |
| 2. Corliss (11-2) lost to Kenwood 74-76 OT. |
| 3. Mt. Carmel (16-2) idle. |
| 4. Breese Central (15-0) idle. |
| 5. Elmhurst Timothy Christian (14-2) idle. |
| 6. Nashville (14-1) idle. |
| (tie) Clark (5-4) lost to Westinghouse 53-65, lost to Lincoln Park 65-70. |
| 8. Macomb (14-0) idle. |
| 9. Sacred Heart-Griffin (Springfield) (11-5) idle. |
| 10. Fieldcrest (12-1) idle. |
| Class 1A |
| 1. Yorkville Christian (10-1) idle. |
| 2. Cobden (19-0) idle. |
| 3. Casey-Westfield (11-1) idle. |
| 4. Kewanee (Wethersfield) (15-1) idle. |
| 5. Indian Creek (17-4) idle. |
| 6. East Dubuque (17-1) idle. |
| 7. Monmouth United (14-2) idle. |
| 8. LeRoy (12-1) idle. |
| 9. Fulton (12-2) idle. |
| 10. Roanoke-Benson (13-3) idle. |
