| Index | Onalaska | Wisconsin | National |
| Average Test Scores | 52% | 41% | 48% |
| Student/Teacher ratio | 14:1 | 14:1 | 16:1 |
| Total public schools | 6 | 1,869 | 79,221 |
| Total private schools | 3 | 872 | 24,874 |
| Total post-secondary schools | n/a | 114 | 7,963 |


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| Index | Onalaska | Wisconsin | National |
| Completed 8th grade | 92.8% | 89.0% | 84.3% |
| Completed high school | 92.1% | 87.8% | 83.0% |
| Completed some college | 70.8% | 59.7% | 59.4% |
| Completed associate degree | 48.2% | 38.7% | 38.5% |
| Completed bachelors | 35.2% | 28.4% | 30.3% |
| Completed masters | 15.4% | 9.6% | 11.5% |
| Completed professional degree | 4.5% | 2.7% | 3.3% |
| Completed doctorate | 1.4% | 1.1% | 1.3% |
There are a total of 6 public schools, 3 private schools and n/a post-secondary schools in Onalaska. Using the proficiency score averages, the average test scores for Onalaska, WI schools is 52%. The average student to teacher ratio is 14:1. In Onalaska, WI, an average of 92.8% of students have completed 8th grade and an average of 92.1% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Coon Valley, WI | 961 | 60% | 25.0% |
| Holmen, WI | 10,291 | 53% | 10.2% |
| West Salem, WI | 5,126 | 51% | 6.6% |
| La Crescent, MN | 5,277 | 51% | 6.0% |
| Bangor, WI | 1,252 | 51% | 5.7% |
| Onalaska, WI | 19,535 | 52% | 8.8% |
| City | Population | Avg. Test Scores | National Avg. |
| Nanuet, NY | 19,538 | 68% | 41.7% |
| Madisonville, KY | 19,522 | 52% | 9.1% |
| Bellaire, TX | 19,553 | 73% | 51.0% |
| Highland, UT | 19,513 | 62% | 28.1% |
| Liberal, KS | 19,510 | 15% | 69.7% |
| Onalaska, WI | 19,535 | 52% | 8.8% |