| 2015 College Football Ratings Summary |
| College |
Conference |
W |
L |
P-Rank |
P-Rating |
R-Rank |
R-Rating |
CFP Rank |
AP Rank |
| New Mexico State | Sun Belt | 0 | 6 | 127 | -26.3 | 128 | -20.6 | | |
| Central Florida | American Athletic | 0 | 6 | 99 | -12.0 | 127 | -20.3 | | |
| Troy | Sun Belt | 0 | 5 | 114 | -18.8 | 126 | -18.4 | | |
| Eastern Michigan | Mid-American | 1 | 6 | 123 | -23.7 | 125 | -17.7 | | |
| Miami (Ohio) | Mid-American | 0 | 6 | 125 | -25.2 | 124 | -16.7 | | |
| Wyoming | Mountain West | 1 | 5 | 113 | -17.8 | 123 | -16.0 | | |
| North Texas | Conference USA | 0 | 5 | 124 | -24.7 | 122 | -15.8 | | |
| Purdue | Big Ten | 0 | 6 | 92 | -8.4 | 121 | -15.6 | | |
| Texas-El Paso | Conference USA | 1 | 4 | 126 | -26.2 | 120 | -14.9 | | |
| Texas State | Sun Belt | 0 | 4 | 118 | -19.7 | 119 | -14.9 | | |
| Texas-San Antonio | Conference USA | 1 | 6 | 107 | -15.4 | 118 | -13.9 | | |
| Florida Atlantic | Conference USA | 1 | 5 | 110 | -16.1 | 117 | -13.9 | | |
| Kansas | Big 12 | 0 | 5 | 106 | -14.2 | 116 | -12.8 | | |
| Nevada-Las Vegas | Mountain West | 1 | 5 | 103 | -13.1 | 115 | -12.6 | | |
| Louisiana-Monroe | Sun Belt | 0 | 5 | 115 | -19.0 | 114 | -12.4 | | |
| North Carolina-Charlotte | Conference USA | 1 | 4 | 128 | -29.8 | 113 | -12.1 | | |
| Buffalo | Mid-American | 1 | 4 | 102 | -12.7 | 112 | -11.9 | | |
| Army | Independent | 1 | 4 | 97 | -11.6 | 111 | -11.8 | | |
| Massachusetts | Mid-American | 1 | 5 | 108 | -16.0 | 110 | -11.6 | | |
| Ball State | Mid-American | 1 | 5 | 105 | -13.3 | 109 | -11.4 | | |
| Nevada | Mountain West | 2 | 4 | 95 | -10.8 | 108 | -10.8 | | |
| Fresno State | Mountain West | 1 | 5 | 116 | -19.1 | 107 | -10.7 | | |
| Florida International | Conference USA | 2 | 4 | 91 | -8.2 | 106 | -10.7 | | |
| Louisiana-Lafayette | Sun Belt | 1 | 3 | 100 | -12.4 | 105 | -10.7 | | |
| Tulane | American Athletic | 1 | 4 | 119 | -21.0 | 104 | -10.6 | | |
| Idaho | Sun Belt | 1 | 4 | 121 | -22.5 | 103 | -10.3 | | |
| Hawaii | Mountain West | 1 | 5 | 109 | -16.1 | 102 | -10.2 | | |
| Colorado | Pac 12 | 2 | 4 | 84 | -5.4 | 101 | -8.2 | | |
| San Jose State | Mountain West | 2 | 4 | 101 | -12.5 | 100 | -8.2 | | |
| Georgia State | Sun Belt | 2 | 3 | 120 | -22.1 | 99 | -7.9 | | |
| Colorado State | Mountain West | 2 | 4 | 89 | -6.6 | 98 | -7.7 | | |
| Connecticut | American Athletic | 2 | 4 | 82 | -4.7 | 97 | -7.7 | | |
| Georgia Tech | ACC | 1 | 5 | 39 | 9.0 | 96 | -7.5 | | |
| Boston College | ACC | 1 | 4 | 64 | 1.5 | 95 | -7.4 | | |
| Middle Tennessee State | Conference USA | 2 | 4 | 75 | -1.9 | 94 | -7.3 | | |
| New Mexico | Mountain West | 3 | 3 | 111 | -16.8 | 93 | -7.3 | | |
| Southern Methodist | American Athletic | 1 | 4 | 96 | -11.4 | 92 | -6.9 | | |
| Vanderbilt | SEC | 1 | 4 | 65 | 1.2 | 91 | -6.7 | | |
| Old Dominion | Conference USA | 2 | 3 | 122 | -23.3 | 90 | -6.4 | | |
| South Alabama | Sun Belt | 2 | 3 | 117 | -19.3 | 89 | -5.9 | | |
| Maryland | Big Ten | 1 | 4 | 81 | -4.5 | 88 | -5.4 | | |
| Virginia | ACC | 1 | 4 | 72 | -0.6 | 87 | -5.3 | | |
| Oregon State | Pac 12 | 1 | 4 | 87 | -6.5 | 86 | -5.2 | | |
| Kent State | Mid-American | 2 | 4 | 112 | -17.2 | 85 | -5.1 | | |
| Akron | Mid-American | 2 | 4 | 98 | -11.7 | 84 | -4.7 | | |
| Air Force | Mountain West | 2 | 3 | 90 | -7.2 | 83 | -4.6 | | |
| Wake Forest | ACC | 2 | 4 | 83 | -4.8 | 82 | -4.6 | | |
| Northern Illinois | Mid-American | 3 | 3 | 69 | -0.1 | 81 | -4.6 | | |
| Iowa State | Big 12 | 1 | 4 | 80 | -4.0 | 80 | -4.5 | | |
| Southern Mississippi | Conference USA | 3 | 3 | 85 | -5.7 | 79 | -3.8 | | |
| Central Michigan | Mid-American | 2 | 4 | 70 | -0.3 | 78 | -3.8 | | |
| Syracuse | ACC | 2 | 3 | 78 | -2.4 | 77 | -3.3 | | |
| Virginia Tech | ACC | 2 | 4 | 44 | 8.0 | 76 | -3.0 | | |
| Arkansas State | Sun Belt | 2 | 3 | 94 | -10.4 | 75 | -2.9 | | |
| Rice | Conference USA | 2 | 3 | 104 | -13.3 | 74 | -2.5 | | |
| Arkansas | SEC | 2 | 4 | 34 | 9.6 | 73 | -1.9 | | |
| Louisville | ACC | 1 | 4 | 45 | 7.8 | 72 | -1.8 | | |
| San Diego State | Mountain West | 3 | 3 | 88 | -6.5 | 71 | -1.6 | | |
| Louisiana Tech | Conference USA | 3 | 3 | 66 | 0.8 | 70 | -1.6 | | |
| South Carolina | SEC | 3 | 4 | 60 | 3.5 | 69 | -1.5 | | |
| North Carolina State | ACC | 3 | 2 | 47 | 6.6 | 68 | -1.5 | | |
| South Florida | American Athletic | 2 | 3 | 73 | -0.9 | 67 | -0.9 | | |
| Nebraska | Big Ten | 3 | 4 | 32 | 9.6 | 66 | -0.9 | | |
| Tulsa | American Athletic | 3 | 3 | 86 | -6.2 | 65 | -0.5 | | |
| Tennessee | SEC | 2 | 3 | 15 | 16.0 | 64 | 0.2 | | |
| Kansas State | Big 12 | 2 | 3 | 54 | 4.0 | 63 | 0.3 | | |
| USC | Pac 12 | 3 | 3 | 4 | 19.5 | 62 | 1.1 | | |
| Rutgers | Big Ten | 2 | 3 | 74 | -1.3 | 61 | 1.4 | | |
| Cincinnati | American Athletic | 2 | 3 | 68 | -0.1 | 60 | 1.4 | | |
| Washington | Pac 12 | 2 | 3 | 26 | 12.6 | 59 | 1.5 | | |
| Missouri | SEC | 3 | 3 | 50 | 5.8 | 58 | 1.6 | | |
| Indiana | Big Ten | 3 | 3 | 67 | 0.4 | 57 | 1.7 | | |
| Minnesota | Big Ten | 4 | 3 | 77 | -2.4 | 56 | 1.8 | | |
| Arizona State | Pac 12 | 3 | 3 | 42 | 8.4 | 55 | 2.2 | | |
| West Virginia | Big 12 | 2 | 3 | 16 | 15.5 | 54 | 2.7 | | |
| Arizona | Pac 12 | 4 | 2 | 57 | 3.8 | 53 | 2.8 | | |
| Miami (Fla.) | ACC | 3 | 2 | 33 | 9.6 | 52 | 3.0 | | |
| Ohio U. | Mid-American | 4 | 2 | 93 | -8.5 | 51 | 3.1 | | |
| Kentucky | SEC | 3 | 2 | 52 | 5.0 | 50 | 3.4 | | |
| Bowling Green State | Mid-American | 5 | 2 | 62 | 2.7 | 49 | 3.5 | | |
| East Carolina | American Athletic | 3 | 3 | 58 | 3.7 | 48 | 3.7 | | |
| Texas | Big 12 | 2 | 4 | 55 | 4.0 | 47 | 3.7 | | |
| Illinois | Big Ten | 3 | 2 | 61 | 3.3 | 46 | 3.8 | | |
| Georgia | SEC | 4 | 2 | 17 | 15.2 | 45 | 3.8 | | |
| Western Michigan | Mid-American | 2 | 3 | 79 | -2.5 | 44 | 3.8 | | |
| North Carolina | ACC | 3 | 1 | 21 | 14.7 | 43 | 4.1 | | |
| Utah State | Mountain West | 3 | 2 | 36 | 9.4 | 42 | 4.5 | | |
| Wisconsin | Big Ten | 5 | 2 | 30 | 10.5 | 41 | 4.7 | | |
| Duke | ACC | 4 | 1 | 40 | 8.9 | 40 | 4.8 | | 23 |
| Oregon | Pac 12 | 3 | 3 | 41 | 8.7 | 39 | 4.8 | | |
| Boise State | Mountain West | 4 | 2 | 22 | 14.6 | 38 | 5.3 | | |
| Georgia Southern | Sun Belt | 4 | 1 | 76 | -2.3 | 37 | 5.6 | | |
| Texas Tech | Big 12 | 4 | 2 | 28 | 11.2 | 36 | 5.7 | | |
| Marshall | Conference USA | 5 | 1 | 71 | -0.3 | 35 | 6.2 | | |
| UCLA | Pac 12 | 4 | 2 | 25 | 12.8 | 34 | 6.2 | | |
| Auburn | SEC | 3 | 2 | 38 | 9.1 | 33 | 6.2 | | |
| Western Kentucky | Conference USA | 6 | 1 | 46 | 7.6 | 32 | 7.8 | | |
| Penn State | Big Ten | 5 | 2 | 59 | 3.5 | 31 | 8.1 | | |
| Navy | American Athletic | 3 | 1 | 51 | 5.6 | 30 | 8.1 | | |
| Appalachian State | Sun Belt | 4 | 1 | 53 | 4.7 | 29 | 8.3 | | |
| Mississippi State | SEC | 4 | 2 | 23 | 14.1 | 28 | 8.5 | | |
| Brigham Young | Independent | 5 | 2 | 43 | 8.2 | 27 | 9.0 | | |
| Mississippi | SEC | 4 | 2 | 19 | 14.9 | 26 | 9.9 | | 24 |
| Texas A&M | SEC | 5 | 1 | 18 | 15.0 | 25 | 10.0 | | 15 |
| Oklahoma | Big 12 | 5 | 1 | 3 | 22.2 | 24 | 10.1 | | 17 |
| Northwestern | Big Ten | 4 | 2 | 63 | 2.6 | 23 | 10.4 | | |
| Pittsburgh | ACC | 4 | 1 | 37 | 9.2 | 22 | 11.2 | | 25 |
| Michigan | Big Ten | 5 | 2 | 12 | 17.3 | 21 | 11.2 | | 15 |
| Stanford | Pac 12 | 5 | 1 | 8 | 18.5 | 20 | 11.8 | | 10 |
| Washington State | Pac 12 | 4 | 1 | 49 | 6.1 | 19 | 11.9 | | |
| Toledo | Mid-American | 6 | 0 | 48 | 6.5 | 18 | 12.7 | | 19 |
| Notre Dame | Independent | 6 | 1 | 7 | 18.5 | 17 | 12.8 | | 11 |
| Alabama | SEC | 6 | 1 | 2 | 24.1 | 16 | 13.2 | | 8 |
| Houston | American Athletic | 5 | 0 | 31 | 9.6 | 15 | 13.6 | | 21 |
| Florida State | ACC | 6 | 0 | 13 | 16.6 | 14 | 14.2 | | 9 |
| Temple | American Athletic | 6 | 0 | 56 | 3.9 | 13 | 14.7 | | 22 |
| Baylor | Big 12 | 5 | 0 | 1 | 30.9 | 12 | 14.8 | | 2 |
| California | Pac 12 | 4 | 1 | 27 | 12.2 | 11 | 15.3 | | 20 |
| Florida | SEC | 6 | 1 | 11 | 17.9 | 10 | 16.0 | | 13 |
| Oklahoma State | Big 12 | 5 | 0 | 20 | 14.8 | 9 | 16.7 | | 14 |
| Clemson | ACC | 5 | 0 | 5 | 19.3 | 8 | 16.8 | | 6 |
| Ohio State | Big Ten | 7 | 0 | 6 | 18.9 | 7 | 17.2 | | 1 |
| Memphis | American Athletic | 5 | 0 | 35 | 9.5 | 6 | 17.4 | | 18 |
| Texas Christian | Big 12 | 6 | 0 | 10 | 18.5 | 5 | 18.7 | | 4 |
| LSU | SEC | 6 | 0 | 14 | 16.4 | 4 | 20.0 | | 5 |
| Michigan State | Big Ten | 7 | 0 | 29 | 11.2 | 3 | 20.1 | | 7 |
| Utah | Pac 12 | 6 | 0 | 9 | 18.5 | 2 | 20.3 | | 3 |
| Iowa | Big Ten | 6 | 0 | 24 | 13.6 | 1 | 20.5 | | 12 |
College sports ratings use a somewhat less sophisticated version of the NFL model that does not use individual play data. Final scores and game location are the only data used. Unlike BCS computer ratings, point difference is factored rather than simply the outcome of the game. Instead of adjusting ratings for repeatability, both teams in each game are given equal responsibility for the result. Each team is assigned a normal probability distribution for quality such that the most likely scenario considering all games at once is optimized. In doing so, home field advantage is factored where applicable and strength of schedule is automatically accounted for. After 1 game, a team's rating will simply be their net points divided by 2. Past the first game, relative strength of opponents and how far a result is from the expected result begin to factor in. Like the NFL ratings, the first few weeks' ratings are unreliable but quickly become increasingly accurate thereafter. Subtracting one team's rating from another's will give an expected point spread should they play at a neutral site.
