| Index | Marshall | Minnesota | National |
| Average Test Scores | 57% | 52% | 48% |
| Student/Teacher ratio | 13:1 | 16:1 | 16:1 |
| Total public schools | 6 | 2,224 | 79,221 |
| Total private schools | 2 | 477 | 24,874 |
| Total post-secondary schools | 1 | 140 | 7,963 |
| Index | Marshall | Minnesota | National |
| Completed 8th grade | 91.6% | 90.5% | 84.3% |
| Completed high school | 90.0% | 89.5% | 83.0% |
| Completed some college | 62.0% | 66.9% | 59.4% |
| Completed associate degree | 42.3% | 45.2% | 38.5% |
| Completed bachelors | 31.3% | 34.2% | 30.3% |
| Completed masters | 9.3% | 11.5% | 11.5% |
| Completed professional degree | 3.6% | 3.5% | 3.3% |
| Completed doctorate | 2.3% | 1.4% | 1.3% |
There are a total of 6 public schools, 2 private schools and 1 post-secondary schools in Marshall. Using the proficiency score averages, the average test scores for Marshall, MN schools is 57%. The average student to teacher ratio is 13:1. In Marshall, MN, an average of 91.6% of students have completed 8th grade and an average of 90.0% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Minneota, MN | 1,350 | 72% | 50.0% |
| Cottonwood, MN | 1,223 | 61% | 27.1% |
| Tracy, MN | 2,244 | 60% | 24.0% |
| Russell, MN | 318 | 55% | 13.5% |
| Milroy, MN | 193 | 50% | 4.2% |
| Marshall, MN | 14,075 | 57% | 19.0% |
| City | Population | Avg. Test Scores | National Avg. |
| St. Helens, OR | 14,078 | 44% | 9.4% |
| Lockhart, TX | 14,070 | 32% | 32.9% |
| Royse City, TX | 14,081 | 48% | 0.3% |
| Andrews, TX | 14,081 | 47% | 2.9% |
| Kailua CDP (Hawaii County), HI | 14,062 | 40% | 17.2% |
| Marshall, MN | 14,075 | 57% | 19.0% |
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