| Index | Marathon City | Wisconsin | National |
| Average Test Scores | 49% | 41% | 48% |
| Student/Teacher ratio | n/a | 14:1 | 16:1 |
| Total public schools | n/a | 1,869 | 79,221 |
| Total private schools | n/a | 872 | 24,874 |
| Total post-secondary schools | n/a | 114 | 7,963 |
| Index | Marathon City | Wisconsin | National |
| Completed 8th grade | 95.7% | 89.0% | 84.3% |
| Completed high school | 92.2% | 87.8% | 83.0% |
| Completed some college | 43.9% | 59.7% | 59.4% |
| Completed associate degree | 30.5% | 38.7% | 38.5% |
| Completed bachelors | 17.4% | 28.4% | 30.3% |
| Completed masters | 4.9% | 9.6% | 11.5% |
| Completed professional degree | 2.4% | 2.7% | 3.3% |
| Completed doctorate | 0.9% | 1.1% | 1.3% |
There are a total of n/a public schools, n/a private schools and n/a post-secondary schools in Marathon City. Using the proficiency score averages, the average test scores for Marathon City, WI schools is 49%. The average student to teacher ratio is n/a. In Marathon City, WI, an average of 95.7% of students have completed 8th grade and an average of 92.2% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Stratford, WI | 1,454 | 48% | 0.3% |
| Mosinee, WI | 4,075 | 46% | 5.2% |
| Weston, WI | 15,139 | 45% | 7.1% |
| Wausau, WI | 38,685 | 40% | 16.5% |
| Edgar, WI | 1,357 | 39% | 19.1% |
| Marathon City, WI | 1,331 | 49% | 1.4% |
| City | Population | Avg. Test Scores | National Avg. |
| Point Marion, PA | 1,331 | 49% | 1.6% |
| Grass Lake, MI | 1,331 | 46% | 4.9% |
| Dryden, MI | 1,331 | 37% | 22.9% |
| Chocowinity, NC | 1,331 | 45% | 6.9% |
| Smithville, OH | 1,330 | 60% | 24.5% |
| Marathon City, WI | 1,331 | 49% | 1.4% |
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