Collinsville, O’Fallon ranked in final AP class 4A regular season basketball poll
Class 4A
| No. | Team | W-L | Pts | Prv |
| 1. | Curie (5) | 25-2 | 50 | 1 |
| 2. | Chicago Heights (Bloom Twp.) | 26-6 | 45 | 2 |
| 3. | Harvey Thornton | 28-1 | 40 | 3 |
| 4. | Simeon | 22-8 | 35 | 4 |
| 5. | Homewood-Flossmoor | 23-3 | 29 | 7 |
| 6. | Collinsville | 26-4 | 20 | 6 |
| 7. | Whitney-Young | 18-9 | 16 | 9 |
| 8. | Evanston | 25-4 | 15 | 5 |
| 9. | O’Fallon | 23-6 | 8 | 8 |
| 10. | Marian Catholic (Chicago Heights) | 22-7 | 7 | 10 |
Others receiving votes: Bolingbrook 6. Joliet West 2. Stevenson 1. Loyola 1.
Class 3A
| No. | Team | W-L | Pts | Prv |
| 1. | Niles Notre Dame (2) | 26-4 | 65 | T1 |
| 2. | Peoria Notre Dame (4) | 26-1 | 64 | T1 |
| 3. | Morgan Park (1) | 20-8 | 55 | 3 |
| 4. | Bogan | 25-3 | 47 | 4 |
| 5. (tie) | Galesburg | 27-4 | 47 | 6 |
| 6. | Lincoln | 28-2 | 31 | 8 |
| 7. | Kankakee | 23-4 | 24 | 9 |
| 8. (tie) | Oak Forest | 25-2 | 24 | 5 |
| 9. | DePaul College Prep | 22-5 | 13 | 7 10 |
10. | Rock Island | 20-8 | 6 |
Others receiving votes: East St. Louis 4. Rockford Boylan 2. Carbondale 1. Centralia 1. Geneseo 1
Class 2A
| No. | Team | W-L | Pts | Prv |
| 1. | Orr (7) | 17-7 | 77 | 1 |
| 2. | Normal University | 24-7 | 66 | 3 |
| 3. (tie) | Breese Mater Dei (1) | 25-5 | 64 | 2 |
| 4. | Pinckyneyville | 27-3 | 61 | 4 |
| 5. | Kewanee | 27-4 | 50 | 6 |
| 6. | Fairfield | 27-4 | 37 | 7 |
| 7. | Rockridge | 25-5 | 23 | 8 |
| 8. | Pleasant Plains | 27-4 | 19 | 5 |
| 9. | Nashville | 25-6 | 14 | 9 |
| 10. | Bismark-Henning | 30-0 | 12 | 10 |
Others receiving votes: Riverton 10. Crane 3. Dunbar 2. Corliss 1. Sterling Newman 1
Class 1A
| No. | Team | W-L | Pts | Prv |
| 1. | Indian Creek (4) | 30-0 | 66 | 1 |
| 2. | Roanoke Benson (1) | 30-1 | 56 | 3 |
| 3. | Winchester-West Central (1) | 28-3 | 49 | 4 |
| 4. | Moweaqua Central A&M (1) | 26-3 | 48 | 2 |
| 5. | Effingham St. Anthony | 26-3 | 46 | 5 |
| 6. | Yorkville Christian | 22-10 | 36 | 7 |
| 7. | Payson Seymour | 27-2 | 35 | 6 |
| 8. | Goreville | 27-2 | 17 | 8 |
| 9. | Leo | 17-14 | 17 | T9 |
| 10. | East Dubuque (tie)Woodlawn | 25-6 28-3 | 6 6 | T9 NR |
Others receiving votes: Aurora Christian 3. Jacksonville Routt 1