Early Modern Era. Early Modern Era; calculated independently but excluded from default cross-season statistics.
1921 Season
FBS Conference Rankings
Conference standings
10 conferences · six-team sample adjustment| Rank | Conference | Teams | Adjusted rating | Team average | Average raw points | Average strength |
|---|---|---|---|---|---|---|
| 1 | Missouri Valley | 9 | 112.49 | 116.80 | 125.96 | 97.13 |
| 2 | FBS Independents | 47 | 111.68 | 112.40 | 120.61 | 95.96 |
| 3 | SIAA | 17 | 110.50 | 112.08 | 117.89 | 100.39 |
| 4 | Western | 10 | 107.32 | 108.10 | 113.27 | 99.90 |
| 5 | Pacific | 6 | 106.41 | 106.78 | 111.24 | 86.78 |
| 6 | Southwest | 7 | 101.59 | 97.78 | 105.38 | 78.40 |
| 7 | Northwest (historical) | 1 | 98.58 | 53.85 | 51.81 | 50.78 |
| 8 | Southern | 1 | 98.49 | 53.25 | 36.17 | 58.64 |
| 9 | Rocky Mountain | 9 | 96.97 | 90.92 | 90.85 | 95.59 |
| 10 | South Atlantic Intercollegiate Athletic | 9 | 91.02 | 81.01 | 69.95 | 106.10 |