| Index | Blackwater | Missouri | National |
| Average Test Scores | 37% | 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 | Blackwater | Missouri | National |
| Completed 8th grade | 88.7% | 86.0% | 84.3% |
| Completed high school | 86.6% | 84.2% | 83.0% |
| Completed some college | 49.5% | 57.7% | 59.4% |
| Completed associate degree | 27.8% | 35.2% | 38.5% |
| Completed bachelors | 10.3% | 27.6% | 30.3% |
| Completed masters | 2.1% | 10.4% | 11.5% |
| Completed professional degree | 0.0% | 2.8% | 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 Blackwater. Using the proficiency score averages, the average test scores for Blackwater, MO schools is 37%. The average student to teacher ratio is n/a. In Blackwater, MO, an average of 88.7% of students have completed 8th grade and an average of 86.6% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| New Franklin, MO | 1,016 | 47% | 2.1% |
| Pilot Grove, MO | 666 | 47% | 3.1% |
| Boonville, MO | 8,300 | 43% | 9.7% |
| Bunceton, MO | 339 | 43% | 11.5% |
| Marshall, MO | 12,920 | 35% | 28.1% |
| Blackwater, MO | 209 | 37% | 22.9% |
| City | Population | Avg. Test Scores | National Avg. |
| Casstown, OH | 209 | 83% | 72.6% |
| Valley Home, CA | 209 | 32% | 33.3% |
| Allakaket, AK | 209 | 50% | 4.2% |
| Kaltag, AK | 209 | 50% | 4.2% |
| Glendo, WY | 209 | 50% | 4.2% |
| Blackwater, MO | 209 | 37% | 22.9% |
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