| Index | Germantown | Wisconsin | National |
| Average Test Scores | 57% | 41% | 48% |
| Student/Teacher ratio | 15:1 | 14:1 | 16:1 |
| Total public schools | 5 | 1,869 | 79,221 |
| Total private schools | 1 | 872 | 24,874 |
| Total post-secondary schools | n/a | 114 | 7,963 |
| Index | Germantown | Wisconsin | National |
| Completed 8th grade | 93.9% | 89.0% | 84.3% |
| Completed high school | 93.1% | 87.8% | 83.0% |
| Completed some college | 71.5% | 59.7% | 59.4% |
| Completed associate degree | 49.1% | 38.7% | 38.5% |
| Completed bachelors | 39.6% | 28.4% | 30.3% |
| Completed masters | 11.3% | 9.6% | 11.5% |
| Completed professional degree | 3.0% | 2.7% | 3.3% |
| Completed doctorate | 1.0% | 1.1% | 1.3% |
There are a total of 5 public schools, 1 private schools and n/a post-secondary schools in Germantown. Using the proficiency score averages, the average test scores for Germantown, WI schools is 57%. The average student to teacher ratio is 15:1. In Germantown, WI, an average of 93.9% of students have completed 8th grade and an average of 93.1% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Saukville, WI | 4,448 | 75% | 55.2% |
| Lannon, WI | 1,184 | 75% | 55.2% |
| Merton, WI | 3,721 | 72% | 49.0% |
| Elm Grove, WI | 6,156 | 69% | 44.3% |
| Hartland, WI | 9,317 | 69% | 44.0% |
| Germantown, WI | 20,142 | 57% | 18.5% |
| City | Population | Avg. Test Scores | National Avg. |
| Charleston, IL | 20,141 | 27% | 44.8% |
| Albany, CA | 20,145 | 76% | 57.3% |
| Ferndale, MI | 20,139 | 21% | 55.7% |
| Cocoa, FL | 20,151 | 49% | 2.9% |
| South St. Paul, MN | 20,132 | 42% | 13.0% |
| Germantown, WI | 20,142 | 57% | 18.5% |
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