| Week | Rank | Rate | Record | SOS | Opponent | Score | Rank Then | Rank Now |
| 0 | 9 | 0.000 | (0,0) | 0.000 | --bye-- |
| 1 | 188 | 0.000 | (0,0) | 0.000 | --bye-- |
| 2 | 443 | -0.500 | (0,1) | 0.500 | Macalester | 15 to 20 | 166 | 539 |
| 3 | 371 | -0.062 | (1,1) | -0.062 | Beloit | 24 to 0 | 568 | 700 |
| 4 | 695 | -3.085 | (1,2) | -2.752 | Ripon | 20 to 30 | 666 | 661 |
| 5 | 694 | -3.137 | (1,2) | -2.804 | --bye-- |
| 6 | 684 | -2.409 | (1,3) | -1.909 | Monmouth IL | 9 to 49 | 572 | 540 |
| 7 | 692 | -2.522 | (1,4) | -1.922 | Knox | 17 to 20 | 683 | 691 |
| 8 | 693 | -2.446 | (1,5) | -1.779 | Lake Forest | 0 to 70 | 658 | 644 |
| 9 | 694 | -2.363 | (1,6) | -1.649 | Chicago | 7 to 38 | 574 | 588 |
| 10 | 693 | -2.310 | (1,7) | -1.560 | Illinois Col | 7 to 14 | 603 | 603 |
| 11 | | | | | Lawrence | | | 699 |
| 12 | | | | | Cornell IA | | | 674 |
| 13 | | | | | --bye-- |
| 14 | | | | | --bye-- |
| 15 | | | | | --bye-- |
| 16 | | | | | --bye-- |
| 17 | | | | | --bye-- |
| 18 | | | | | --bye-- |
| 19 | | | | | --bye-- |
| 20 | | | | | --bye-- |
| 21 | | | | | --bye-- |