| Index | Watertown | Wisconsin | National |
| Average Test Scores | 44% | 41% | 48% |
| Student/Teacher ratio | 16:1 | 14:1 | 16:1 |
| Total public schools | 7 | 1,869 | 79,221 |
| Total private schools | 11 | 872 | 24,874 |
| Total post-secondary schools | 1 | 114 | 7,963 |
| Index | Watertown | Wisconsin | National |
| Completed 8th grade | 86.0% | 89.0% | 84.3% |
| Completed high school | 84.4% | 87.8% | 83.0% |
| Completed some college | 52.6% | 59.7% | 59.4% |
| Completed associate degree | 31.3% | 38.7% | 38.5% |
| Completed bachelors | 21.0% | 28.4% | 30.3% |
| Completed masters | 6.8% | 9.6% | 11.5% |
| Completed professional degree | 1.3% | 2.7% | 3.3% |
| Completed doctorate | 0.4% | 1.1% | 1.3% |
There are a total of 7 public schools, 11 private schools and 1 post-secondary schools in Watertown. Using the proficiency score averages, the average test scores for Watertown, WI schools is 44%. The average student to teacher ratio is 16:1. In Watertown, WI, an average of 86.0% of students have completed 8th grade and an average of 84.4% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Sullivan, WI | 710 | 72% | 50.0% |
| Oconomowoc, WI | 16,931 | 57% | 19.4% |
| Dousman, WI | 2,116 | 55% | 13.5% |
| Cambridge, WI | 1,260 | 50% | 3.6% |
| Ixonia, WI | 1,856 | 50% | 3.1% |
| Watertown, WI | 23,561 | 44% | 9.2% |
| City | Population | Avg. Test Scores | National Avg. |
| Jacksonville Beach, FL | 23,562 | 82% | 70.8% |
| Fish Hawk, FL | 23,556 | 80% | 66.8% |
| Belton, MO | 23,568 | 44% | 8.5% |
| Venice, FL | 23,572 | 71% | 47.5% |
| Barstow, CA | 23,547 | 22% | 53.3% |
| Watertown, WI | 23,561 | 44% | 9.2% |
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