| Index | Ontario | Wisconsin | National |
| Average Test Scores | 33% | 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 | Ontario | Wisconsin | National |
| Completed 8th grade | 83.9% | 89.0% | 84.3% |
| Completed high school | 80.9% | 87.8% | 83.0% |
| Completed some college | 40.1% | 59.7% | 59.4% |
| Completed associate degree | 24.7% | 38.7% | 38.5% |
| Completed bachelors | 8.6% | 28.4% | 30.3% |
| Completed masters | 2.0% | 9.6% | 11.5% |
| Completed professional degree | 1.0% | 2.7% | 3.3% |
| Completed doctorate | 1.0% | 1.1% | 1.3% |
There are a total of n/a public schools, n/a private schools and n/a post-secondary schools in Ontario. Using the proficiency score averages, the average test scores for Ontario, WI schools is 33%. The average student to teacher ratio is n/a. In Ontario, WI, an average of 83.9% of students have completed 8th grade and an average of 80.9% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Viroqua, WI | 4,472 | 46% | 5.0% |
| Westby, WI | 2,387 | 40% | 17.4% |
| Cashton, WI | 961 | 40% | 17.7% |
| Hillsboro, WI | 1,357 | 40% | 17.7% |
| Sparta, WI | 9,751 | 38% | 21.1% |
| Ontario, WI | 477 | 33% | 30.7% |
| City | Population | Avg. Test Scores | National Avg. |
| Covington, OK | 477 | 25% | 48.4% |
| Hildreth, NE | 477 | 55% | 13.5% |
| Springdale, WA | 477 | 40% | 15.9% |
| Morven, NC | 477 | 22% | 54.2% |
| Allen, SD | 477 | 9% | 82.3% |
| Ontario, WI | 477 | 33% | 30.7% |
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