| State | 1992 | 1994 | 1996 | 1998 | 2000 | 2002 |
| Alabama | C | N/A | C | B | D | D |
| Alaska | N/A | N/A | N/A | N/A | N/A | N/A |
| Arizona | C | C | A | N/A | D | D |
| Arkansas | D | D | N/A | B | C | C |
| California | F | D | C | C | F | F |
| Colorado | A | B | B | C | B | A |
| Connecticut | F | F | B | A | B | B |
| Delaware | D | F | F | D | D | C |
| Florida | D | B | F | F | B |
A |
| Georgia | C | B | C | C | C | B |
| Hawaii | F | F | D | B | B | C |
| Idaho | D | C | C | B | C | C |
| Illinois | C | C | D | D | D | D |
| Indiana | A | B | B | B | B | C |
| Iowa | D | C | C | D | F | D |
| Kansas | B | D | C | B | B | D |
| Kentucky | N/A | C | N/A | C | B | C |
| Louisiana | N/A | C | N/A | C | D | D |
| Maine | C | C | C | C | C | D |
| Maryland | C | C | D | C | D | D |
| Massachusetts | A | B | B | N/A | A | B |
| Michigan | A | B | B | B | B | B |
| Minnesota | B | D | C | C | B | D |
| Mississippi | N/A | A | B | C | N/A | C |
| Missouri | C | D | D | F | N/A | N/A |
| Montana | C | D | D | C | D | B |
| Nebraska | C | D | C | C | C | C |
| Nevada | F | D | B | B | A | B |
| New Hampshire | B | A | A | C | C | D |
| New Jersey | F | F | B | B | C | N/A |
| New Mexico | C | D | B | B | B | B |
| New York | C | C | A | B | B | B |
| North Carolina | D | F | C | C | C | N/A |
| North Dakota | C | D | B | C | C | D |
| Ohio | C | D | F | D | D | F |
| Oklahoma | B | C | C | D | C | B |
| Oregon | D | D | C | F | F | F |
| Pennsylvania | C | D | B | B | B | N/A |
| Rhode Island | F | D | D | C | C | D |
| South Carolina | C | B | B | B | C | D |
| South Dakota | A | N/A | B | A | B | B |
| Tennessee | B | C | C | B | D | F |
| Texas | C | D | B | B | B | N/A |
| Utah | C | C | C | C | D | D |
| Vermont | N/A | B | B | C | C | D |
| Virginia | C | A | C | N/A | C | N/A |
| Washington | D | D | D | B | B | B |
| West Virginia | F | D | F | C | C | D |
| Wisconsin | B | B | B | C | C | N/A |
| Wyoming | A | B | C | B | C | C |
| Grade Point Average for entire U.S. (A=4.0, F=0.0) | 1.91 | 1.77 | 2.15 | 2.22 | 1.87 | 1.79 |
