| Index | Marshall | Indiana | National |
| Average Test Scores | 42% | 46% | 48% |
| Student/Teacher ratio | n/a | 22:1 | 16:1 |
| Total public schools | n/a | 1,755 | 79,221 |
| Total private schools | n/a | 675 | 24,874 |
| Total post-secondary schools | n/a | 141 | 7,963 |
| Index | Marshall | Indiana | National |
| Completed 8th grade | 85.0% | 84.6% | 84.3% |
| Completed high school | 85.0% | 82.9% | 83.0% |
| Completed some college | 38.0% | 53.8% | 59.4% |
| Completed associate degree | 21.4% | 33.0% | 38.5% |
| Completed bachelors | 11.5% | 24.6% | 30.3% |
| Completed masters | 5.1% | 8.9% | 11.5% |
| Completed professional degree | 0.9% | 2.4% | 3.3% |
| Completed doctorate | 0.0% | 1.0% | 1.3% |
There are a total of n/a public schools, n/a private schools and n/a post-secondary schools in Marshall. Using the proficiency score averages, the average test scores for Marshall, IN schools is 42%. The average student to teacher ratio is n/a. In Marshall, IN, an average of 85.0% of students have completed 8th grade and an average of 85.0% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| New Market, IN | 639 | 60% | 24.0% |
| Rockville, IN | 2,304 | 43% | 9.9% |
| Clinton, IN | 4,679 | 39% | 19.2% |
| Montezuma, IN | 955 | 38% | 20.8% |
| Cayuga, IN | 1,282 | 34% | 29.7% |
| Marshall, IN | 374 | 42% | 13.5% |
| City | Population | Avg. Test Scores | National Avg. |
| Herndon, PA | 374 | 60% | 24.5% |
| Sylvan Grove, KS | 374 | 17% | 64.6% |
| Potter Valley, CA | 374 | 28% | 41.3% |
| Gayville, SD | 374 | 35% | 27.8% |
| Mondamin, IA | 374 | 61% | 26.6% |
| Marshall, IN | 374 | 42% | 13.5% |
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