| Index | Oconomowoc Lake | Wisconsin | National |
| Average Test Scores | n/a | 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 | Oconomowoc Lake | Wisconsin | National |
| Completed 8th grade | 97.4% | 89.0% | 84.3% |
| Completed high school | 97.4% | 87.8% | 83.0% |
| Completed some college | 82.8% | 59.7% | 59.4% |
| Completed associate degree | 67.9% | 38.7% | 38.5% |
| Completed bachelors | 59.1% | 28.4% | 30.3% |
| Completed masters | 17.7% | 9.6% | 11.5% |
| Completed professional degree | 6.4% | 2.7% | 3.3% |
| Completed doctorate | 2.8% | 1.1% | 1.3% |
There are a total of n/a public schools, n/a private schools and n/a post-secondary schools in Oconomowoc Lake. Using the proficiency score averages, the average test scores for Oconomowoc Lake, WI schools is n/a. The average student to teacher ratio is n/a. In Oconomowoc Lake, WI, an average of 97.4% of students have completed 8th grade and an average of 97.4% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Lannon, WI | 1,184 | 75% | 55.2% |
| Sullivan, WI | 710 | 72% | 50.0% |
| North Prairie, WI | 2,542 | 72% | 49.0% |
| Merton, WI | 3,721 | 72% | 49.0% |
| Hartland, WI | 9,317 | 69% | 44.0% |
| Oconomowoc Lake, WI | 621 | n/a |
| City | Population | Avg. Test Scores | National Avg. |
| Brevig Mission, AK | 621 | 5% | 89.6% |
| Smiley, TX | 621 | 32% | 33.3% |
| Harrisville, NY | 620 | 40% | 17.7% |
| Stebbins, AK | 620 | 5% | 89.6% |
| Big Water, UT | 620 | 40% | 16.7% |
| Oconomowoc Lake, WI | 621 | n/a |
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