Week 15
2000 | 2001 | 2002 | 2003 | 2004 | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 | 2012 | 2013 | 2014 | 2015 | 2016 | 2017 | 2018 | 2019 | 2021 | 2022 | 2023 | 2024 | 2025
All | Atlantic Coast Conference | Big 10 Conference | Big 12 Conference | Big East Conference | Conference USA | Division I-A Independents | Mid-American Conference | Mountain West Conference | Pacific 10 Conference | Southeastern Conference | Sun Belt Conference | Western Athletic Conference
| Place | Team | Rating | Strength of Schedule | +/- | 
|---|---|---|---|---|
| 1. Ohio State (12 - 1) Schedule: 4.416 (8) | 7.07 7.07  | |||
| 2. Wisconsin (11 - 2) Schedule: 4.311 (9) | 6.457 6.457  | |||
| 3. Iowa (8 - 5) Schedule: 4.563 (6) | 5.944 5.944  1 | |||
| 4. Michigan St (11 - 2) Schedule: 4.506 (7) | 5.916 5.916  1 | |||
| 5. Illinois (7 - 6) Schedule: 4.632 (5) | 5.552 5.552  | |||
| 6. Penn State (7 - 6) Schedule: 4.784 (3) | 4.705 4.705  1 | |||
| 7. Michigan (7 - 6) Schedule: 4.875 (2) | 4.583 4.583  1 | |||
| 8. Northwestern (7 - 6) Schedule: 4.091 (10) | 4.038 4.038  | |||
| 9. Purdue (4 - 8) Schedule: 4.669 (4) | 3.543 3.543  | |||
| 10. Minnesota (3 - 9) Schedule: 4.896 (1) | 3.393 3.393  1 | |||
| 11. Indiana (5 - 7) Schedule: 3.97 (11) | 3.391 3.391  1 |