| Index | Oconomowoc | Wisconsin | National |
| Average Test Scores | 57% | 41% | 48% |
| Student/Teacher ratio | 15:1 | 14:1 | 16:1 |
| Total public schools | 7 | 1,869 | 79,221 |
| Total private schools | 6 | 872 | 24,874 |
| Total post-secondary schools | n/a | 114 | 7,963 |
| Index | Oconomowoc | Wisconsin | National |
| Completed 8th grade | 93.4% | 89.0% | 84.3% |
| Completed high school | 92.6% | 87.8% | 83.0% |
| Completed some college | 73.0% | 59.7% | 59.4% |
| Completed associate degree | 53.8% | 38.7% | 38.5% |
| Completed bachelors | 44.2% | 28.4% | 30.3% |
| Completed masters | 16.2% | 9.6% | 11.5% |
| Completed professional degree | 4.2% | 2.7% | 3.3% |
| Completed doctorate | 0.6% | 1.1% | 1.3% |
There are a total of 7 public schools, 6 private schools and n/a post-secondary schools in Oconomowoc. Using the proficiency score averages, the average test scores for Oconomowoc, WI schools is 57%. The average student to teacher ratio is 15:1. In Oconomowoc, WI, an average of 93.4% of students have completed 8th grade and an average of 92.6% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Sullivan, WI | 735 | 72% | 50.0% |
| North Prairie, WI | 2,635 | 72% | 49.0% |
| Merton, WI | 3,864 | 72% | 49.0% |
| Hartland, WI | 9,580 | 69% | 44.0% |
| Sussex, WI | 11,204 | 66% | 37.7% |
| Oconomowoc, WI | 17,299 | 57% | 19.4% |
| City | Population | Avg. Test Scores | National Avg. |
| Lansdale, PA | 17,300 | 66% | 38.1% |
| Phoenixville, PA | 17,310 | 60% | 24.6% |
| Knightdale, NC | 17,266 | 27% | 43.3% |
| Sunnyside, WA | 17,266 | 45% | 6.4% |
| Stafford, TX | 17,266 | 44% | 8.3% |
| Oconomowoc, WI | 17,299 | 57% | 19.4% |
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