| Index | Carlton | Montana | National |
| Average Test Scores | n/a | 45% | 48% |
| Student/Teacher ratio | n/a | 14:1 | 16:1 |
| Total public schools | n/a | 408 | 79,221 |
| Total private schools | n/a | 77 | 24,874 |
| Total post-secondary schools | n/a | 32 | 7,963 |
| Index | Carlton | Montana | National |
| Completed 8th grade | 90.4% | 89.4% | 84.3% |
| Completed high school | 90.4% | 88.2% | 83.0% |
| Completed some college | 48.0% | 63.1% | 59.4% |
| Completed associate degree | 42.9% | 38.6% | 38.5% |
| Completed bachelors | 34.7% | 29.9% | 30.3% |
| Completed masters | 2.6% | 9.8% | 11.5% |
| Completed professional degree | 0.0% | 3.0% | 3.3% |
| Completed doctorate | 0.0% | 1.2% | 1.3% |
There are a total of n/a public schools, n/a private schools and n/a post-secondary schools in Carlton. Using the proficiency score averages, the average test scores for Carlton, MT schools is n/a. The average student to teacher ratio is n/a. In Carlton, MT, an average of 90.4% of students have completed 8th grade and an average of 90.4% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Missoula, MT | 74,994 | 53% | 11.1% |
| Stevensville, MT | 1,897 | 48% | 0.2% |
| Florence, MT | 805 | 47% | 2.8% |
| Lolo, MT | 4,064 | 40% | 16.7% |
| Bonner-West Riverside, MT | 1,404 | 35% | 28.1% |
| Carlton, MT | 612 | n/a |
| City | Population | Avg. Test Scores | National Avg. |
| Leeton, MO | 612 | 56% | 16.0% |
| St. John, WA | 612 | 60% | 25.0% |
| Silverton, CO | 612 | 50% | 4.2% |
| Coyle, OK | 612 | 25% | 48.4% |
| McClellanville, SC | 613 | 40% | 17.7% |
| Carlton, MT | 612 | n/a |
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