BCS Rankings
The BCS rankings are a based on a formula composed of the Coaches' Poll, the Harris Interactive Poll and six computer rankings. These rankings are usually released around the seventh week of the season. It is the results of this poll that decide which teams play in which bowl games as well as which two teams will play in the BCS National Championship Game. The BCS Rankings are generated by taking the points received in each poll individually, and dividing by the total points that a single team could earn if they were ranked #1 by every member. For example, the maximum total points in the Coaches' Poll is 1550, and if a team earns 1387 points, their score in the BCS for the Coaches' Poll would be .895. The BCS Rankings then does the same for the Harris Interactive Poll. Next, the highest and lowest rankings of the 6 computer rankings are dropped, the remaining 4 combined with the points (again awarded by position) and divided by 100. The three percentages are then averaged, and the highest average is then awarded 1st place in the BCS Rankings.
| Week 8 Oct 17 |
Week 9 Oct 24 |
Week 10 Oct 31 |
Week 11 Nov 7 |
Week 12 Nov 14 |
Week 13 Nov 21 |
Week 14 Nov 28 |
Week 15 Dec 4 |
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| 1. | USC (6–0) | Texas (7–0) | USC (8–0) | USC (9–0) | USC (10–0) | USC (11–0) | USC (11–0) | USC (12–0) | 1. |
| 2. | Texas (6–0) | USC (7–0) | Texas (8–0) | Texas (9–0) | Texas (10–0) | Texas (10–0) | Texas (11–0) | Texas (12–0) | 2. |
| 3. | Virginia Tech (6–0) | Virginia Tech (7–0) | Virginia Tech (7–0) | Alabama (9–0) | Miami (8–1) | Penn State (9–1) | Penn State (10–1) | Penn State (10–1) | 3. |
| 4. | Georgia (6–0) | Georgia (7–0) | Alabama (8–0) | Miami (7–1) | Penn State (9–1) | LSU (9–1) | LSU (10–1) | Ohio State (9–2) | 4. |
| 5. | Alabama (6–0) | Alabama (7–0) | UCLA (8–0) | Penn State (9–1) | LSU (8–1) | Virginia Tech (9–1) | Virginia Tech (9–1) | Oregon (10–1) | 5. |
| 6. | LSU (4–1) | UCLA (7–0) | Miami (6–1) | Virginia Tech (8–1) | Virginia Tech (8–1) | Ohio State (9–2) | Ohio State (9–2) | Notre Dame (9–2) | 6. |
| 7. | Texas Tech (6–0) | Miami (5–1) | Penn State (8–1) | LSU (7–1) | Ohio State (8–2) | Oregon (10–1) | Oregon (10–1) | Georgia (10–2) | 7. |
| 8. | Miami (5–1) | LSU (5–1) | LSU (6–1) | Ohio State (7–2) | Alabama (8–1) | Notre Dame (8–2) | Notre Dame (9–2) | Miami (9–2) | 8. |
| 9. | UCLA (6–0) | Penn State (7–1) | Florida State (7–1) | Georgia (7–1) | Notre Dame (7–2) | Miami (8–2) | Miami (9–2) | Auburn (9–2) | 9. |
| 10. | Penn State (6–1) | Florida State (6–1) | Ohio State (6–2) | Oregon (8–1) | Oregon (9–1) | Auburn (9–2) | Auburn (9–2) | Virginia Tech (10–2) | 10. |
| 11. | Florida State (5–1) | Oregon (7–1) | Georgia (7–1) | Notre Dame (6–2) | UCLA (9–1) | West Virginia (8–1) | West Virginia (9–1) | West Virginia (10–1) | 11. |
| 12. | Boston College (6–1) | Wisconsin (7–1) | Wisconsin (8–1) | Texas Tech (8–1) | West Virginia (8–1) | UCLA (9–1) | UCLA (9–1) | LSU (10–2) | 12. |
| 13. | Oregon (6–1) | Ohio State (5–2) | Oregon (7–1) | Florida (7–2) | Auburn (8–2) | TCU (10–1) | Georgia (9–2) | Alabama (9–2) | 13. |
| 14. | Wisconsin (6–1) | Boston College (6–1) | Notre Dame (5–2) | West Virginia (7–1) | TCU (10–1) | Alabama (9–2) | TCU (10–1) | TCU (10–1) | 14. |
| 15. | Ohio State (4–2) | Notre Dame (5–2) | Texas Tech (7–1) | UCLA (8–1) | Michigan (7–3) | Georgia (8–2) | Alabama (9–2) | Texas Tech (9–2) | 15. |
| 16. | Notre Dame (4–2) | Texas Tech (6–1) | Florida (6–2) | Wisconsin (8–2) | Georgia (7–2) | Texas Tech (9–2) | Texas Tech (9–2) | UCLA (9–2) | 16. |
| 17. | West Virginia (6–1) | West Virginia (6–1) | West Virginia (6–1) | TCU (9–1) | Fresno State (8–1) | Wisconsin (8–3) | Florida (8–3) | Florida (8–3) | 17. |
| 18. | Auburn (5–1) | TCU (7–1) | TCU (8–1) | Colorado (7–2) | Louisville (7–2) | Boston College (8–3) | Wisconsin (9–3) | Wisconsin (9–3) | 18. |
| 19. | Tennessee (3–2) | Florida (5–2) | Boston College (6–2) | Florida State (7–2) | Texas Tech (8–2) | Fresno State (8–2) | Michigan (7–4) | Louisville (9–2) | 19. |
| 20. | Florida (5–2) | Minnesota (5–2) | Auburn (6–2) | Auburn (7–2) | Wisconsin (8–3) | Louisville (7–2) | Boston College (8–3) | Michigan (7–4) | 20. |
| 21. | TCU (6–1) | Northwestern (5–2) | Michigan (6–3) | Michigan (6–3) | Minnesota (7–3) | Georgia Tech (7–3) | Louisville (8–2) | Boston College (8–3) | 21. |
| 22. | Minnesota (5–2) | Auburn (5–2) | Colorado (6–2) | Fresno State (7–1) | Florida (7–3) | Michigan (7–4) | Northwestern (7–4) | Florida State (8–4) | 22. |
| 23. | Nebraska (5–1) | California (6–2) | California (6–2) | Georgia Tech (6–2) | South Carolina (7–3) | Florida (7–3) | Oklahoma (7–4) | Oklahoma (7–4) | 23. |
| 24. | Michigan State (4–2) | Colorado (5–2) | Fresno State (6–1) | Minnesota (6–3) | Boston College (7–3) | Florida State (7–3) | Georgia Tech (7–4) | Georgia Tech (7–4) | 24. |
| 25. | California (5–2) | Michigan (5–3) | Oklahoma (5–3) | Louisville (6–2) | Oklahoma (6–3) | Northwestern (7–4) | Fresno State (8–3) | Northwestern (7–4) | 25. |
| Week 8 Oct 17 |
Week 9 Oct 24 |
Week 10 Oct 31 |
Week 11 Nov 7 |
Week 12 Nov 14 |
Week 13 Nov 21 |
Week 14 Nov 28 |
Week 15 Dec 4 |
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| Dropped: Michigan State Nebraska Tennessee |
Dropped: Northwestern Minnesota |
Dropped: Oklahoma California Boston College |
Dropped: Georgia Tech Florida State Colorado |
Dropped: Oklahoma South Carolina Minnesota |
Dropped: Florida State |
Dropped: Fresno State |
Read more about this topic: 2005 NCAA Division I-A Football Rankings