| Index | Fort Belknap Agency | 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 | Fort Belknap Agency | Montana | National |
| Completed 8th grade | 80.4% | 89.4% | 84.3% |
| Completed high school | 78.6% | 88.2% | 83.0% |
| Completed some college | 66.4% | 63.1% | 59.4% |
| Completed associate degree | 28.8% | 38.6% | 38.5% |
| Completed bachelors | 11.5% | 29.9% | 30.3% |
| Completed masters | 2.5% | 9.8% | 11.5% |
| Completed professional degree | 1.8% | 3.0% | 3.3% |
| Completed doctorate | 1.8% | 1.2% | 1.3% |
There are a total of n/a public schools, n/a private schools and n/a post-secondary schools in Fort Belknap Agency. Using the proficiency score averages, the average test scores for Fort Belknap Agency, MT schools is n/a. The average student to teacher ratio is n/a. In Fort Belknap Agency, MT, an average of 80.4% of students have completed 8th grade and an average of 78.6% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Harlem, MT | 866 | 32% | 32.8% |
| Fort Belknap Agency, MT | 1,520 | n/a |
| City | Population | Avg. Test Scores | National Avg. |
| Beverly, OH | 1,520 | 72% | 49.0% |
| Oblong, IL | 1,520 | 26% | 45.3% |
| Wathena, KS | 1,520 | 18% | 63.5% |
| Sibley, LA | 1,521 | 72% | 49.0% |
| Nashville, IN | 1,521 | 52% | 7.8% |
| Fort Belknap Agency, MT | 1,520 | n/a |
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