| Index | Niangua | Missouri | National |
| Average Test Scores | 28% | 44% | 48% |
| Student/Teacher ratio | n/a | 14:1 | 16:1 |
| Total public schools | n/a | 1,899 | 79,221 |
| Total private schools | n/a | 531 | 24,874 |
| Total post-secondary schools | n/a | 213 | 7,963 |
| Index | Niangua | Missouri | National |
| Completed 8th grade | 73.0% | 86.0% | 84.3% |
| Completed high school | 70.9% | 84.2% | 83.0% |
| Completed some college | 37.8% | 57.7% | 59.4% |
| Completed associate degree | 7.8% | 35.2% | 38.5% |
| Completed bachelors | 4.4% | 27.6% | 30.3% |
| Completed masters | 0.6% | 10.4% | 11.5% |
| Completed professional degree | 0.3% | 2.8% | 3.3% |
| Completed doctorate | 0.3% | 1.2% | 1.3% |
There are a total of n/a public schools, n/a private schools and n/a post-secondary schools in Niangua. Using the proficiency score averages, the average test scores for Niangua, MO schools is 28%. The average student to teacher ratio is n/a. In Niangua, MO, an average of 73.0% of students have completed 8th grade and an average of 70.9% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Marshfield, MO | 7,425 | 42% | 13.3% |
| Conway, MO | 709 | 39% | 18.2% |
| Niangua, MO | 540 | 28% | 41.3% |
| City | Population | Avg. Test Scores | National Avg. |
| Parish, NY | 540 | 42% | 12.5% |
| Kenwood, CA | 540 | 57% | 18.8% |
| North Adams, MI | 540 | 24% | 51.0% |
| Star Lake, NY | 540 | 49% | 1.0% |
| Michigantown, IN | 539 | 46% | 3.6% |
| Niangua, MO | 540 | 28% | 41.3% |
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