| Index | Wales | Wisconsin | National |
| Average Test Scores | 57% | 41% | 48% |
| Student/Teacher ratio | 14:1 | 14:1 | 16:1 |
| Total public schools | 3 | 1,869 | 79,221 |
| Total private schools | n/a | 872 | 24,874 |
| Total post-secondary schools | n/a | 114 | 7,963 |
| Index | Wales | Wisconsin | National |
| Completed 8th grade | 95.9% | 89.0% | 84.3% |
| Completed high school | 95.9% | 87.8% | 83.0% |
| Completed some college | 75.1% | 59.7% | 59.4% |
| Completed associate degree | 55.7% | 38.7% | 38.5% |
| Completed bachelors | 44.2% | 28.4% | 30.3% |
| Completed masters | 18.7% | 9.6% | 11.5% |
| Completed professional degree | 4.7% | 2.7% | 3.3% |
| Completed doctorate | 1.8% | 1.1% | 1.3% |
There are a total of 3 public schools, n/a private schools and n/a post-secondary schools in Wales. Using the proficiency score averages, the average test scores for Wales, WI schools is 57%. The average student to teacher ratio is 14:1. In Wales, WI, an average of 95.9% of students have completed 8th grade and an average of 95.9% 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% |
| Elm Grove, WI | 6,156 | 69% | 44.3% |
| Wales, WI | 2,592 | 57% | 18.6% |
| City | Population | Avg. Test Scores | National Avg. |
| Cross City, FL | 2,591 | 51% | 6.3% |
| Kamas, UT | 2,591 | 48% | 0.7% |
| Trinity, AL | 2,593 | 42% | 12.8% |
| Weatherly, PA | 2,593 | 63% | 31.3% |
| Carrollton, IL | 2,590 | 29% | 40.6% |
| Wales, WI | 2,592 | 57% | 18.6% |
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