| 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 | 1,510 | 48% | 0.3% |
| Mosinee, WI | 4,166 | 46% | 5.2% |
| Weston, WI | 15,555 | 45% | 7.1% |
| Wausau, WI | 39,898 | 40% | 16.5% |
| Edgar, WI | 1,398 | 39% | 19.1% |
| Marathon City, WI | 1,360 | 49% | 1.4% |
| City | Population | Avg. Test Scores | National Avg. |
| Frankfort, OH | 1,360 | 58% | 21.5% |
| Monroeville, OH | 1,360 | 57% | 18.8% |
| Augusta, KY | 1,360 | 35% | 28.1% |
| Bovina, TX | 1,359 | 31% | 34.7% |
| Sherburne, NY | 1,361 | 48% | 0.7% |
| Marathon City, WI | 1,360 | 49% | 1.4% |