| Index | Marshfield | Missouri | National |
| Average Test Scores | 42% | 44% | 48% |
| Student/Teacher ratio | 13:1 | 14:1 | 16:1 |
| Total public schools | 7 | 1,899 | 79,221 |
| Total private schools | n/a | 531 | 24,874 |
| Total post-secondary schools | n/a | 213 | 7,963 |
| Index | Marshfield | Missouri | National |
| Completed 8th grade | 83.0% | 86.0% | 84.3% |
| Completed high school | 80.9% | 84.2% | 83.0% |
| Completed some college | 47.8% | 57.7% | 59.4% |
| Completed associate degree | 22.7% | 35.2% | 38.5% |
| Completed bachelors | 15.1% | 27.6% | 30.3% |
| Completed masters | 6.8% | 10.4% | 11.5% |
| Completed professional degree | 2.0% | 2.8% | 3.3% |
| Completed doctorate | 1.1% | 1.2% | 1.3% |
There are a total of 7 public schools, n/a private schools and n/a post-secondary schools in Marshfield. Using the proficiency score averages, the average test scores for Marshfield, MO schools is 42%. The average student to teacher ratio is 13:1. In Marshfield, MO, an average of 83.0% of students have completed 8th grade and an average of 80.9% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Strafford, MO | 2,437 | 57% | 19.1% |
| Fair Grove, MO | 1,448 | 50% | 3.5% |
| Fordland, MO | 834 | 48% | = 100 |
| Conway, MO | 709 | 39% | 18.2% |
| Seymour, MO | 1,913 | 36% | 26.0% |
| Marshfield, MO | 7,425 | 42% | 13.3% |
| City | Population | Avg. Test Scores | National Avg. |
| Kentfield, CA | 7,423 | 75% | 55.7% |
| Tyrone, GA | 7,427 | 54% | 12.2% |
| Robinson, IL | 7,431 | 35% | 28.1% |
| Swainsboro, GA | 7,418 | 26% | 46.5% |
| Bargersville, IN | 7,417 | 69% | 42.7% |
| Marshfield, MO | 7,425 | 42% | 13.3% |
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