| # | County | Composite | Grade |
|---|---|---|---|
| 1 | Idaho, ID | 78.2 | D |
| 2 | Boise, ID | 71.5 | D |
| 3 | Valley, ID | 67.2 | D |
| 4 | Bonneville, ID | 65.3 | D |
| 5 | Shoshone, ID | 62 | D |
| 6 | Owyhee, ID | 60.5 | D |
| 7 | Custer, ID | 59.2 | C |
| 8 | Elmore, ID | 58.9 | C |
| 9 | Bonner, ID | 58.3 | C |
| 10 | Canyon, ID | 57.9 | C |
| 11 | Ada, ID | 56.6 | C |
| 12 | Bannock, ID | 56.4 | C |
| 13 | Cassia, ID | 55.8 | C |
| 14 | Bingham, ID | 55.1 | C |
| 15 | Kootenai, ID | 55 | C |
| 16 | Clark, ID | 54.8 | C |
| 17 | Adams, ID | 54.6 | C |
| 18 | Jerome, ID | 54.6 | C |
| 19 | Twin Falls, ID | 52 | C |
| 20 | Blaine, ID | 50 | C |
| 21 | Clearwater, ID | 49.9 | C |
| 22 | Nez Perce, ID | 49.2 | C |
| 23 | Lincoln, ID | 49 | C |
| 24 | Lemhi, ID | 48.8 | C |
| 25 | Gooding, ID | 47.9 | C |
| 26 | Gem, ID | 47.9 | C |
| 27 | Teton, ID | 45.1 | C |
| 28 | Benewah, ID | 43.7 | C |
| 29 | Payette, ID | 43 | C |
| 30 | Power, ID | 42.7 | C |
| 31 | Fremont, ID | 42 | C |
| 32 | Butte, ID | 39.1 | B |
| 33 | Minidoka, ID | 39 | B |
| 34 | Washington, ID | 38.7 | B |
| 35 | Camas, ID | 37.2 | B |
| 36 | Jefferson, ID | 34.6 | B |
| 37 | Boundary, ID | 34.5 | B |
| 38 | Madison, ID | 34.5 | B |
| 39 | Bear Lake, ID | 27.7 | B |
| 40 | Latah, ID | 27 | B |
| 41 | Caribou, ID | 25.8 | B |
| 42 | Oneida, ID | 25.6 | B |
| 43 | Franklin, ID | 21.7 | B |
| 44 | Lewis, ID | 21.2 | B |
