| Index | Hales Corners | Wisconsin | National |
| Average Test Scores | 58% | 41% | 48% |
| Student/Teacher ratio | 16:1 | 14:1 | 16:1 |
| Total public schools | 2 | 1,869 | 79,221 |
| Total private schools | 3 | 872 | 24,874 |
| Total post-secondary schools | n/a | 114 | 7,963 |
| Index | Hales Corners | Wisconsin | National |
| Completed 8th grade | 92.2% | 89.0% | 84.3% |
| Completed high school | 92.0% | 87.8% | 83.0% |
| Completed some college | 67.1% | 59.7% | 59.4% |
| Completed associate degree | 47.8% | 38.7% | 38.5% |
| Completed bachelors | 39.1% | 28.4% | 30.3% |
| Completed masters | 14.2% | 9.6% | 11.5% |
| Completed professional degree | 2.9% | 2.7% | 3.3% |
| Completed doctorate | 1.1% | 1.1% | 1.3% |
There are a total of 2 public schools, 3 private schools and n/a post-secondary schools in Hales Corners. Using the proficiency score averages, the average test scores for Hales Corners, WI schools is 58%. The average student to teacher ratio is 16:1. In Hales Corners, WI, an average of 92.2% of students have completed 8th grade and an average of 92.0% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| 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% |
| Whitefish Bay, WI | 13,890 | 67% | 38.8% |
| Hales Corners, WI | 7,609 | 58% | 21.4% |
| City | Population | Avg. Test Scores | National Avg. |
| Chehalis, WA | 7,607 | 55% | 14.3% |
| Emerson, NJ | 7,606 | 60% | 24.0% |
| Ojai, CA | 7,613 | 35% | 27.5% |
| Pulaski, TN | 7,614 | 30% | 37.5% |
| Decorah, IA | 7,615 | 81% | 68.5% |
| Hales Corners, WI | 7,609 | 58% | 21.4% |
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