| Index | Marshfield | Wisconsin | National |
| Average Test Scores | 51% | 41% | 48% |
| Student/Teacher ratio | 16:1 | 14:1 | 16:1 |
| Total public schools | 7 | 1,869 | 79,221 |
| Total private schools | 7 | 872 | 24,874 |
| Total post-secondary schools | 1 | 114 | 7,963 |
| Index | Marshfield | Wisconsin | National |
| Completed 8th grade | 89.7% | 89.0% | 84.3% |
| Completed high school | 87.4% | 87.8% | 83.0% |
| Completed some college | 57.9% | 59.7% | 59.4% |
| Completed associate degree | 40.1% | 38.7% | 38.5% |
| Completed bachelors | 29.0% | 28.4% | 30.3% |
| Completed masters | 12.4% | 9.6% | 11.5% |
| Completed professional degree | 6.1% | 2.7% | 3.3% |
| Completed doctorate | 1.8% | 1.1% | 1.3% |
There are a total of 7 public schools, 7 private schools and 1 post-secondary schools in Marshfield. Using the proficiency score averages, the average test scores for Marshfield, WI schools is 51%. The average student to teacher ratio is 16:1. In Marshfield, WI, an average of 89.7% of students have completed 8th grade and an average of 87.4% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Stratford, WI | 1,454 | 48% | 0.3% |
| Spencer, WI | 1,690 | 48% | 0.5% |
| Auburndale, WI | 717 | 43% | 10.9% |
| Granton, WI | 351 | 31% | 35.4% |
| Marshfield, WI | 18,214 | 51% | 6.3% |
| City | Population | Avg. Test Scores | National Avg. |
| Trenton, MI | 18,214 | 53% | 9.6% |
| Cudahy, WI | 18,211 | 37% | 22.2% |
| Burlington, KY | 18,203 | 53% | 10.9% |
| Newburyport, MA | 18,197 | 63% | 31.0% |
| Round Lake, IL | 18,235 | 27% | 44.4% |
| Marshfield, WI | 18,214 | 51% | 6.3% |
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