| Index | Martinsburg | Missouri | National |
| Average Test Scores | n/a | 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 | Martinsburg | Missouri | National |
| Completed 8th grade | 85.2% | 86.0% | 84.3% |
| Completed high school | 83.5% | 84.2% | 83.0% |
| Completed some college | 44.5% | 57.7% | 59.4% |
| Completed associate degree | 27.5% | 35.2% | 38.5% |
| Completed bachelors | 11.4% | 27.6% | 30.3% |
| Completed masters | 3.8% | 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 Martinsburg. Using the proficiency score averages, the average test scores for Martinsburg, MO schools is n/a. The average student to teacher ratio is n/a. In Martinsburg, MO, an average of 85.2% of students have completed 8th grade and an average of 83.5% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Montgomery City, MO | 2,765 | 46% | 5.2% |
| Mexico, MO | 11,861 | 39% | 19.8% |
| Vandalia, MO | 3,993 | 38% | 20.3% |
| Laddonia, MO | 599 | 37% | 22.9% |
| Auxvasse, MO | 1,254 | 35% | 27.1% |
| Martinsburg, MO | 597 | n/a |
| City | Population | Avg. Test Scores | National Avg. |
| West Valley, NY | 597 | 47% | 2.1% |
| Murrayville, IL | 597 | 32% | 33.3% |
| Austinburg, OH | 597 | 85% | 76.0% |
| Naselle, WA | 597 | 60% | 24.0% |
| Gainesville, MO | 597 | 48% | 0.5% |
| Martinsburg, MO | 597 | n/a |