| Index | Marshall | Missouri | National |
| Average Test Scores | 35% | 44% | 48% |
| Student/Teacher ratio | 10:1 | 14:1 | 16:1 |
| Total public schools | 10 | 1,899 | 79,221 |
| Total private schools | 2 | 531 | 24,874 |
| Total post-secondary schools | 2 | 213 | 7,963 |
| Index | Marshall | Missouri | National |
| Completed 8th grade | 80.4% | 86.0% | 84.3% |
| Completed high school | 78.3% | 84.2% | 83.0% |
| Completed some college | 47.3% | 57.7% | 59.4% |
| Completed associate degree | 26.3% | 35.2% | 38.5% |
| Completed bachelors | 21.4% | 27.6% | 30.3% |
| Completed masters | 8.2% | 10.4% | 11.5% |
| Completed professional degree | 2.1% | 2.8% | 3.3% |
| Completed doctorate | 0.8% | 1.2% | 1.3% |
There are a total of 10 public schools, 2 private schools and 2 post-secondary schools in Marshall. Using the proficiency score averages, the average test scores for Marshall, MO schools is 35%. The average student to teacher ratio is 10:1. In Marshall, MO, an average of 80.4% of students have completed 8th grade and an average of 78.3% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Sweet Springs, MO | 1,479 | 55% | 13.5% |
| Miami, MO | 105 | 40% | 16.7% |
| Blackwater, MO | 217 | 37% | 22.9% |
| Malta Bend, MO | 182 | 35% | 27.1% |
| Houstonia, MO | 256 | 35% | 28.1% |
| Marshall, MO | 13,323 | 35% | 28.1% |
| City | Population | Avg. Test Scores | National Avg. |
| Edgewater, NJ | 13,325 | 55% | 13.5% |
| Los Alamos, NM | 13,326 | 53% | 9.4% |
| Greenwich, CT | 13,319 | 67% | 40.2% |
| Coolidge, AZ | 13,315 | 20% | 58.1% |
| Grass Valley, CA | 13,311 | 47% | 2.7% |
| Marshall, MO | 13,323 | 35% | 28.1% |
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