The Gridiron Power Index (GPI), the index ranking for the NCAA Division I FCS and a top indicator of at-large playoff selection debuts for the 2008 season with James Madison in the top spot.
The Colonial Athletic Association, the largest league in the FCS has seven teams in the top 25, the Missouri Valley Football and the Southern Conferences have five each, the Big Sky and the Southland Conferences have three each, and the Big South, Great West Football and the Ohio Valley Conferences placed one each. (Games through 10/4/08)
| Rank | Team | Conf | W/L | Total | ARC | MAS | LAZ | SAU | SAG | SEL | KEE | ASH | AGS | SNW | FCP |
| 1 | James Madison | CAA | 5-1 | 1.00 | 5 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 |
| 2 | New Hampshire | CAA | 4-0 | 4.13 | 19 | 2 | 5 | 3 | 4 | 5 | 13 | 2 | 6 | 4 | 4 |
| 3 | Appalachian St | SOCON | 3-2 | 4.50 | 30 | 4 | 7 | 6 | 7 | 4 | 6 | 7 | 2 | 2 | 2 |
| 4 | McNeese St | SLC | 3-1 | 4.88 | 30 | 3 | 9 | 2 | 2 | 2 | 18 | 14 | 3 | 3 | 3 |
| 5 | Richmond | CAA | 4-2 | 5.25 | 28 | 8 | 4 | 4 | 5 | 9 | 7 | 3 | 4 | 5 | 5 |
| 6 | Cal Poly | GWFC | 3-1 | 6.75 | 35 | 6 | 2 | 9 | 11 | 12 | 3 | 6 | 5 | 7 | 7 |
| 7 | Villanova | CAA | 4-1 | 7.13 | 26 | 5 | 6 | 14 | 3 | 7 | 4 | 4 | 9 | 9 | 13 |
| 8 | Montana | BSC | 4-1 | 9.13 | 39 | 9 | 3 | 7 | 10 | 8 | 5 | 11 | 12 | 12 | 10 |
| 9T | Massachusetts | CAA | 3-2 | 10.50 | 47 | 7 | 17 | 8 | 9 | 11 | 2 | 12 | 13 | 13 | 11 |
| 9T | Wofford | SOCON | 3-1 | 10.50 | 60 | 12 | 16 | 12 | 14 | 10 | 12 | 9 | 7 | 8 | 9 |
| 11 | Elon | SOCON | 5-1 | 10.88 | 59 | 16 | 10 | 11 | 17 | 13 | 9 | 5 | 10 | 6 | 12 |
| 12 | Northern Iowa | MVFC | 3-2 | 12.75 | 76 | 13 | 11 | 18 | 12 | 17 | 16 | 18 | 8 | 10 | 8 |
| 13 | Jacksonville St | OVC | 4-1 | 13.63 | 51 | 15 | 12 | 10 | 8 | 6 | 11 | 10 | 21 | 19 | 18 |
| 14 | Weber St | BSC | 4-2 | 14.25 | 42 | 10 | 13 | 5 | 6 | 3 | 8 | 13 | 24 | 22 | 26 |
| 15 | Furman | SOCON | 4-2 | 15.75 | 67 | 18 | 8 | 16 | 13 | 16 | 14 | 8 | 18 | 20 | 21 |
| 16 | N Arizona | BSC | 4-1 | 16.13 | 74 | 11 | 15 | 15 | 15 | 14 | 17 | 15 | 20 | 18 | 17 |
| 17 | Cent Arkansas | SLC | 4-1 | 17.75 | 99 | 20 | 18 | 25 | 23 | 15 | 15 | 23 | 15 | 14 | 14 |
| 18 | W Illinois | MVFC | 3-2 | 20.00 | 107 | 17 | 19 | 19 | 19 | 28 | 35 | 22 | 17 | 17 | 19 |
| 19 | S Illinois | MVFC | 2-2 | 20.38 | 118 | 23 | 22 | 29 | 18 | 26 | 19 | 28 | 14 | 16 | 15 |
| 20 | Delaware | CAA | 2-3 | 20.50 | 98 | 19 | 21 | 13 | 16 | 22 | 22 | 20 | 22 | 24 | 20 |
| 21 | N Dakota St | MVFC | 3-2 | 20.88 | 139 | 27 | 20 | 33 | 22 | 32 | 26 | 32 | 11 | 11 | 6 |
| 22 | Liberty | BSO | 5-0 | 21.63 | 126 | 29 | 23 | 20 | 20 | 29 | 30 | 25 | 16 | 15 | 16 |
| 23 | S Dakota St | MVFC | 3-3 | 23.38 | 116 | 21 | 26 | 24 | 21 | 19 | 24 | 26 | 23 | 25 | 23 |
| 24T | Northeastern | CAA | 2-3 | 24.88 | 121 | 22 | 35 | 22 | 25 | 21 | 31 | 16 | 26 | 26 | 26 |
| 24T | Sam Houston St | SLC | 2-1 | 24.88 | 121 | 26 | 30 | 21 | 24 | 36 | 20 | 17 | 26 | 26 | 26 |
| 24T | Ga Southern | SOCON | 3-3 | 24.88 | 121 | 28 | 25 | 23 | 26 | 18 | 29 | 19 | 26 | 26 | 26 |
| 27 | Montana St | BSC | 3-2 | 25.38 | 125 | 14 | 24 | 27 | 27 | 23 | 27 | 24 | 26 | 26 | 26 |
| 28 | E Washington | BSC | 2-3 | 27.25 | 154 | 24 | 29 | 48 | 30 | 44 | 23 | 27 | 19 | 23 | 22 |
| 29T | The Citadel | SOCON | 3-2 | 28.50 | 157 | 32 | 36 | 32 | 28 | 24 | 39 | 29 | 25 | 21 | 25 |
| 29T | William & Mary | CAA | 2-2 | 28.50 | 150 | 33 | 28 | 39 | 32 | 25 | 32 | 21 | 26 | 26 | 26 |
| 31 | Cornell | IVY | 3-0 | 29.13 | 155 | 39 | 39 | 36 | 29 | 20 | 21 | 30 | 26 | 26 | 26 |
| 32 | Harvard | IVY | 2-1 | 30.38 | 165 | 30 | 31 | 34 | 31 | 39 | 10 | 41 | 26 | 26 | 26 |
| 33T | UC Davis | GWFC | 2-4 | 32.13 | 179 | 31 | 46 | 28 | 37 | 38 | 33 | 40 | 26 | 26 | 26 |
| 33T | E Illinois | OVC | 2-3 | 32.13 | 179 | 42 | 48 | 30 | 33 | 27 | 43 | 31 | 26 | 26 | 26 |
| 35 | Yale | IVY | 2-1 | 32.38 | 181 | 36 | 32 | 35 | 36 | 40 | 34 | 43 | 26 | 26 | 26 |
| 36 | Tennessee St | OVC | 5-1 | 34.25 | 198 | 47 | 27 | 45 | 43 | 57 | 25 | 36 | 26 | 26 | 24 |
| 37T | S Carolina St | MEAC | 4-2 | 34.75 | 200 | 34 | 33 | 42 | 41 | 43 | 40 | 47 | 26 | 26 | 26 |
| 37T | Albany | NEC | 2-3 | 34.75 | 200 | 37 | 67 | 26 | 34 | 35 | 45 | 49 | 26 | 26 | 26 |
| 37T | Maine | CAA | 2-3 | 34.75 | 200 | 44 | 52 | 40 | 42 | 34 | 36 | 38 | 26 | 26 | 26 |
| 40 | Hofstra | CAA | 2-3 | 34.88 | 201 | 40 | 49 | 37 | 44 | 37 | 41 | 39 | 26 | 26 | 26 |
| 41 | North Dakota | GWFC | 4-1 | 35.13 | 203 | 25 | 14 | 71 | 55 | 47 | 42 | 34 | 26 | 26 | 26 |
| 42 | Sacramento St | BSC | 3-3 | 35.63 | 207 | 43 | 47 | 31 | 40 | 33 | 44 | 50 | 26 | 26 | 26 |
| 43 | Southern Utah | GWFC | 3-3 | 35.75 | 208 | 35 | 51 | 38 | 38 | 31 | 61 | 46 | 26 | 26 | 26 |
| 44 | Coastal Carolina | BSO | 3-3 | 37.88 | 225 | 58 | 44 | 43 | 45 | 49 | 28 | 44 | 26 | 26 | 26 |
| 45 | Northwestern St | SLC | 3-2 | 39.13 | 235 | 45 | 42 | 53 | 62 | 30 | 53 | 42 | 26 | 26 | 26 |
| 46 | Illinois St | MVFC | 2-2 | 39.38 | 237 | 46 | 41 | 47 | 49 | 55 | 54 | 35 | 26 | 26 | 26 |
| 47T | Holy Cross | PL | 1-3 | 40.25 | 244 | 48 | 56 | 41 | 39 | 60 | 37 | 65 | 26 | 26 | 26 |
| 47T | Samford | SOCON | 3-2 | 40.25 | 244 | 67 | 69 | 17 | 35 | 41 | 64 | 37 | 26 | 26 | 26 |
| 49 | Brown | IVY | 2-1 | 41.00 | 250 | 52 | 55 | 49 | 52 | 42 | 38 | 60 | 26 | 26 | 26 |
| 50 | Colgate | PL | 3-2 | 41.75 | 256 | 54 | 50 | 50 | 51 | 56 | 48 | 51 | 26 | 26 | 26 |
| 51 | SF Austin | SLC | 2-3 | 42.00 | 258 | 49 | 54 | 51 | 59 | 45 | 56 | 48 | 26 | 26 | 26 |
| 52 | SE Louisiana | SLC | 3-3 | 42.25 | 260 | 41 | 57 | 54 | 58 | 46 | 62 | 45 | 26 | 26 | 26 |
| 53 | Lafayette | PL | 3-1 | 43.25 | 268 | 53 | 45 | 58 | 53 | 59 | 46 | 58 | 26 | 26 | 26 |
| 54T | Youngstown St | MVFC | 2-4 | 44.00 | 274 | 50 | 59 | 44 | 46 | 52 | 71 | 67 | 26 | 26 | 26 |
| 54T | TN Martin | OVC | 4-2 | 44.00 | 274 | 63 | 34 | 55 | 70 | 76 | 52 | 33 | 26 | 26 | 26 |
| 56 | Rhode Island | CAA | 2-4 | 44.25 | 276 | 59 | 68 | 46 | 61 | 51 | 51 | 54 | 26 | 26 | 26 |
| 57 | Grambling | SWAC | 4-2 | 44.75 | 280 | 51 | 43 | 56 | 56 | 50 | 67 | 68 | 26 | 26 | 26 |
| 58T | Princeton | IVY | 2-1 | 44.88 | 281 | 56 | 58 | 66 | 54 | 53 | 60 | 52 | 26 | 26 | 26 |
| 58T | Hampton | MEAC | 4-1 | 44.88 | 281 | 57 | 37 | 69 | 50 | 65 | 47 | 62 | 26 | 26 | 26 |
| 60 | Portland St | BSC | 2-3 | 46.00 | 290 | 38 | 61 | 59 | 60 | 54 | 66 | 56 | 26 | 26 | 26 |
| 61 | Bethune-Cookman | MEAC | 4-1 | 46.63 | 295 | 60 | 40 | 64 | 65 | 61 | 49 | 61 | 26 | 26 | 26 |
| 62 | Penn | IVY | 1-2 | 47.88 | 305 | 62 | 53 | 65 | 57 | 74 | 55 | 66 | 26 | 26 | 26 |
| 63 | Missouri St | MVFC | 1-3 | 48.38 | 309 | 68 | 62 | 52 | 47 | 79 | 72 | 55 | 26 | 26 | 26 |
| 64 | Fordham | PL | 2-2 | 50.13 | 323 | 69 | 70 | 57 | 64 | 63 | 50 | 73 | 26 | 26 | 26 |
| 65 | Nicholls St | SLC | 0-2 | 51.63 | 335 | 65 | 74 | 60 | 48 | 73 | 63 | 125 | 26 | 26 | 26 |
| 66 | Central Conn | NEC | 4-1 | 51.75 | 336 | 73 | 64 | 63 | 75 | 64 | 57 | 72 | 26 | 26 | 26 |
| 67 | Charleston So | BSO | 2-3 | 51.88 | 337 | 71 | 79 | 61 | 63 | 48 | 78 | 64 | 26 | 26 | 26 |
| 68 | South Dakota | GWFC | 2-4 | 52.13 | 339 | 55 | 71 | 68 | 69 | 62 | 69 | 83 | 26 | 26 | 26 |
| 69 | E Kentucky | OVC | 3-3 | 52.88 | 345 | 74 | 65 | 80 | 68 | 68 | 70 | 53 | 26 | 26 | 26 |
| 70 | Texas St | SLC | 3-2 | 53.13 | 347 | 61 | 63 | 75 | 76 | 72 | 86 | 57 | 26 | 26 | 26 |
| 71 | Southern | SWAC | 3-2 | 53.88 | 353 | 66 | 72 | 70 | 67 | 82 | 58 | 78 | 26 | 26 | 26 |
| 72 | Florida A&M | MEAC | 3-2 | 54.25 | 356 | 72 | 60 | 77 | 72 | 80 | 59 | 75 | 26 | 26 | 26 |
| 73 | Bucknell | PL | 3-1 | 56.75 | 376 | 80 | 76 | 72 | 81 | 58 | 74 | 74 | 26 | 26 | 26 |
| 74 | Lehigh | PL | 1-3 | 56.88 | 377 | 77 | 73 | 79 | 66 | 71 | 84 | 77 | 26 | 26 | 26 |
| 75T | N Colorado | BSC | 0-4 | 57.63 | 383 | 70 | 83 | 62 | 73 | 81 | 83 | 76 | 26 | 26 | 26 |
| 75T | Towson | CAA | 2-4 | 57.63 | 383 | 75 | 84 | 82 | 78 | 75 | 73 | 59 | 26 | 26 | 26 |
| 77 | Chattanooga | SOCON | 1-5 | 57.75 | 384 | 87 | 87 | 83 | 71 | 78 | 65 | 63 | 26 | 26 | 26 |
| 78 | Tennessee Tech | OVC | 3-3 | 58.00 | 386 | 84 | 78 | 86 | 77 | 77 | 68 | 70 | 26 | 26 | 26 |
| 79 | Dayton | PFL | 4-1 | 58.13 | 387 | 79 | 66 | 76 | 80 | 67 | 85 | 91 | 26 | 26 | 26 |
| 80 | San Diego | PFL | 5-0 | 58.50 | 390 | 64 | 38 | 78 | 85 | 91 | 79 | 84 | 26 | 26 | 26 |
| 81 | W Carolina | SOCON | 2-4 | 58.75 | 392 | 86 | 85 | 67 | 82 | 70 | 92 | 69 | 26 | 26 | 26 |
| 82 | Stony Brook | BSO | 1-4 | 59.25 | 396 | 81 | 95 | 73 | 79 | 69 | 75 | 88 | 26 | 26 | 26 |
| 83 | Idaho St | BSC | 0-5 | 61.88 | 417 | 76 | 88 | 92 | 74 | 86 | 87 | 80 | 26 | 26 | 26 |
| 84 | Monmouth | NEC | 3-3 | 62.25 | 420 | 78 | 82 | 74 | 90 | 84 | 90 | 86 | 26 | 26 | 26 |
| 85 | Gardner Webb | BSO | 2-3 | 62.50 | 422 | 83 | 81 | 89 | 91 | 87 | 82 | 71 | 26 | 26 | 26 |
| 86 | Morgan St | MEAC | 2-3 | 62.88 | 425 | 82 | 80 | 88 | 84 | 90 | 81 | 90 | 26 | 26 | 26 |
| 87 | VMI | BSO | 2-3 | 64.25 | 436 | 88 | 93 | 87 | 83 | 85 | 96 | 82 | 26 | 26 | 26 |
| 88 | Duquesne | NEC | 2-2 | 64.38 | 437 | 89 | 90 | 81 | 89 | 66 | 88 | 93 | 26 | 26 | 26 |
| 89 | Sacred Heart | NEC | 5-0 | 65.38 | 445 | 94 | 77 | 84 | 98 | 88 | 94 | 85 | 26 | 26 | 26 |
| 90 | Delaware St | MEAC | 1-3 | 66.00 | 450 | 90 | 89 | 90 | 92 | 89 | 76 | 96 | 26 | 26 | 26 |
| 91T | Prairie View | SWAC | 4-1 | 66.13 | 451 | 85 | 75 | 103 | 86 | 92 | 93 | 95 | 26 | 26 | 26 |
| 91T | Presbyterian | BSO | 2-4 | 66.13 | 451 | 91 | 92 | 85 | 94 | 83 | 98 | 89 | 26 | 26 | 26 |
| 93 | SE Missouri St | OVC | 2-4 | 66.75 | 456 | 98 | 91 | 101 | 93 | 94 | 80 | 79 | 26 | 26 | 26 |
| 94 | Norfolk St | MEAC | 2-3 | 67.00 | 458 | 95 | 86 | 99 | 95 | 95 | 77 | 87 | 26 | 26 | 26 |
| 95 | Murray St | OVC | 2-4 | 68.38 | 469 | 93 | 99 | 95 | 100 | 93 | 89 | 81 | 26 | 26 | 26 |
| 96 | Dartmouth | IVY | 0-3 | 69.38 | 477 | 92 | 98 | 93 | 88 | 103 | 102 | 92 | 26 | 26 | 26 |
| 97 | Columbia | IVY | 0-3 | 71.13 | 491 | 99 | 102 | 98 | 96 | 97 | 101 | 94 | 26 | 26 | 26 |
| 98 | Alabama St | SWAC | 1-3 | 71.38 | 493 | 97 | 94 | 104 | 99 | 104 | 95 | 98 | 26 | 26 | 26 |
| 99 | Alabama A&M | SWAC | 2-4 | 71.63 | 495 | 100 | 101 | 96 | 87 | 102 | 97 | 101 | 26 | 26 | 26 |
| 100 | Bryant | INDEP | 3-2 | 71.75 | 496 | 103 | 100 | 91 | 104 | 96 | 100 | 97 | 26 | 26 | 26 |
| 101 | Jackson St | SWAC | 1-4 | 72.13 | 499 | 101 | 103 | 97 | 97 | 101 | 91 | 109 | 26 | 26 | 26 |
| 102 | Robert Morris | NEC | 1-4 | 74.25 | 516 | 106 | 106 | 94 | 106 | 99 | 99 | 107 | 26 | 26 | 26 |
| 103T | Alcorn St | SWAC | 1-5 | 74.38 | 517 | 96 | 112 | 100 | 101 | 98 | 112 | 106 | 26 | 26 | 26 |
| 103T | Georgetown | PL | 1-3 | 74.38 | 517 | 102 | 107 | 105 | 102 | 105 | 103 | 100 | 26 | 26 | 26 |
| 103T | Morehead St | PFL | 3-2 | 74.88 | 521 | 104 | 97 | 102 | 105 | 106 | 110 | 104 | 26 | 26 | 26 |
| 106 | Butler | PFL | 3-1 | 75.25 | 524 | 105 | 96 | 108 | 108 | 100 | 113 | 103 | 26 | 26 | 26 |
| 107 | Jacksonville | PFL | 2-3 | 76.50 | 534 | 111 | 105 | 106 | 103 | 109 | 114 | 102 | 26 | 26 | 26 |
| 108 | NC Central | INDEP | 1-4 | 77.75 | 544 | 110 | 116 | 109 | 107 | 108 | 104 | 110 | 26 | 26 | 26 |
| 109 | Austin Peay | OVC | 0-6 | 78.13 | 547 | 112 | 119 | 111 | 112 | 107 | 105 | 99 | 26 | 26 | 26 |
| 110 | Davidson | PFL | 2-2 | 78.63 | 551 | 113 | 108 | 110 | 111 | 113 | 109 | 108 | 26 | 26 | 26 |
| 111 | NC A&T | MEAC | 2-4 | 78.75 | 552 | 109 | 110 | 112 | 110 | 112 | 108 | 111 | 26 | 26 | 26 |
| 112 | Indiana St | MVFC | 0-5 | 80.50 | 566 | 107 | 121 | 115 | 114 | 114 | 116 | 105 | 26 | 26 | 26 |
| 113 | Wagner | NEC | 2-3 | 81.00 | 570 | 119 | 114 | 107 | 117 | 111 | 115 | 113 | 26 | 26 | 26 |
| 114 | TX Southern | SWAC | 3-3 | 81.50 | 574 | 108 | 109 | 123 | 115 | 115 | 121 | 114 | 26 | 26 | 26 |
| 115 | Drake | PFL | 2-3 | 81.63 | 575 | 114 | 104 | 116 | 120 | 116 | 111 | 118 | 26 | 26 | 26 |
| 116 | Howard | MEAC | 1-4 | 82.00 | 578 | 117 | 113 | 117 | 116 | 118 | 107 | 115 | 26 | 26 | 26 |
| 117 | W Salem St | MEAC | 1-4 | 82.25 | 580 | 115 | 111 | 119 | 118 | 119 | 106 | 117 | 26 | 26 | 26 |
| 118 | Ark Pine Bluff | SWAC | 0-5 | 83.25 | 588 | 116 | 118 | 114 | 109 | 121 | 120 | 120 | 26 | 26 | 26 |
| 119 | Iona | INDEP | 3-2 | 83.38 | 589 | 122 | 115 | 122 | 124 | 110 | 118 | 112 | 26 | 26 | 26 |
| 120 | Marist | INDEP | 1-5 | 83.75 | 592 | 120 | 120 | 113 | 119 | 117 | 117 | 119 | 26 | 26 | 26 |
| 121 | Savannah St | INDEP | 3-3 | 84.13 | 595 | 118 | 117 | 121 | 122 | 120 | 119 | 116 | 26 | 26 | 26 |
| 122 | MS Valley St | SWAC | 1-3 | 86.00 | 610 | 121 | 122 | 125 | 121 | 123 | 122 | 122 | 26 | 26 | 26 |
| 123T | St Francis | NEC | 0-5 | 86.25 | 612 | 123 | 124 | 120 | 123 | 122 | 123 | 121 | 26 | 26 | 26 |
| 123T | Valparaiso | PFL | 1-3 | 86.25 | 612 | 124 | 123 | 118 | 113 | 124 | 124 | 123 | 26 | 26 | 26 |
| 125 | Campbell | PFL | 1-5 | 87.75 | 624 | 125 | 125 | 124 | 125 | 125 | 125 | 124 | 26 | 26 | 26 |
Column Definitions
Total = (ARC + 3 polls used)/8
ARC (Adjusted Rankings of the Computers) = Sum of 5 computer ranking numbers (removing the max and min number from the 7 used)
Computer rankings:
MAS = Massey, SAU = Sauceda, SAG = Sagarin, LAZ = Laz Index, SEL = Self, ASH = Ashburn, KEE = Keeper.
Polls:
SNW = Sports Network,
FCP = FCS Coaches,
AGS = Any Given Saturday
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