| # | County | Composite | Grade |
|---|---|---|---|
| 1 | Flathead, MT | 78.8 | D |
| 2 | Lake, MT | 77.8 | D |
| 3 | Big Horn, MT | 75 | D |
| 4 | Yellowstone, MT | 73.3 | D |
| 5 | Missoula, MT | 72.8 | D |
| 6 | Park, MT | 70.7 | D |
| 7 | Cascade, MT | 68.3 | D |
| 8 | Glacier, MT | 66 | D |
| 9 | Gallatin, MT | 64.6 | D |
| 10 | Sanders, MT | 63.2 | D |
| 11 | Lincoln, MT | 63.1 | D |
| 12 | Roosevelt, MT | 61.8 | D |
| 13 | Lewis and Clark, MT | 60.3 | D |
| 14 | Carbon, MT | 59.1 | C |
| 15 | Beaverhead, MT | 57.6 | C |
| 16 | Dawson, MT | 56.6 | C |
| 17 | Ravalli, MT | 55.7 | C |
| 18 | Rosebud, MT | 54.1 | C |
| 19 | Valley, MT | 52.1 | C |
| 20 | Phillips, MT | 52 | C |
| 21 | Sweet Grass, MT | 51.9 | C |
| 22 | Hill, MT | 51.3 | C |
| 23 | Powell, MT | 51 | C |
| 24 | Stillwater, MT | 50.6 | C |
| 25 | Musselshell, MT | 48.6 | C |
| 26 | Broadwater, MT | 48 | C |
| 27 | Pondera, MT | 47.3 | C |
| 28 | Jefferson, MT | 47.2 | C |
| 29 | Sheridan, MT | 46.1 | C |
| 30 | Silver Bow, MT | 44.3 | C |
| 31 | Madison, MT | 44.2 | C |
| 32 | Richland, MT | 44.1 | C |
| 33 | Granite, MT | 44.1 | C |
| 34 | Deer Lodge, MT | 43.9 | C |
| 35 | Custer, MT | 41.3 | C |
| 36 | Daniels, MT | 40.5 | C |
| 37 | Blaine, MT | 39.2 | B |
| 38 | Prairie, MT | 38.6 | B |
| 39 | Judith Basin, MT | 37.9 | B |
| 40 | Fergus, MT | 36.9 | B |
| 41 | Mineral, MT | 34.5 | B |
| 42 | Chouteau, MT | 34.5 | B |
| 43 | Powder River, MT | 33.9 | B |
| 44 | Meagher, MT | 32.5 | B |
| 45 | Garfield, MT | 31.2 | B |
| 46 | Carter, MT | 29.9 | B |
| 47 | Golden Valley, MT | 29.7 | B |
| 48 | Treasure, MT | 29.7 | B |
| 49 | Wheatland, MT | 28.6 | B |
| 50 | Teton, MT | 25.3 | B |