| Index | Marshall | Texas | National |
| Average Test Scores | 39% | 47% | 48% |
| Student/Teacher ratio | 13:1 | 14:1 | 16:1 |
| Total public schools | 14 | 7,418 | 79,221 |
| Total private schools | 1 | 1,267 | 24,874 |
| Total post-secondary schools | 3 | 463 | 7,963 |
| Index | Marshall | Texas | National |
| Completed 8th grade | 74.3% | 79.3% | 84.3% |
| Completed high school | 73.5% | 77.8% | 83.0% |
| Completed some college | 45.5% | 57.3% | 59.4% |
| Completed associate degree | 23.4% | 34.9% | 38.5% |
| Completed bachelors | 17.7% | 28.1% | 30.3% |
| Completed masters | 4.7% | 9.6% | 11.5% |
| Completed professional degree | 1.9% | 2.6% | 3.3% |
| Completed doctorate | 1.1% | 1.1% | 1.3% |
There are a total of 14 public schools, 1 private schools and 3 post-secondary schools in Marshall. Using the proficiency score averages, the average test scores for Marshall, TX schools is 39%. The average student to teacher ratio is 13:1. In Marshall, TX, an average of 74.3% of students have completed 8th grade and an average of 73.5% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Hallsville, TX | 4,297 | 51% | 6.1% |
| Marshall, TX | 22,881 | 39% | 18.0% |
| City | Population | Avg. Test Scores | National Avg. |
| Dickinson, ND | 22,880 | 48% | 0.4% |
| Derry, NH | 22,891 | 52% | 8.3% |
| Lutz, FL | 22,871 | 75% | 56.7% |
| Solon, OH | 22,858 | 95% | 97.9% |
| Willoughby, OH | 22,904 | 69% | 43.8% |
| Marshall, TX | 22,881 | 39% | 18.0% |
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