| Index | Cudahy | Wisconsin | National |
| Average Test Scores | 37% | 41% | 48% |
| Student/Teacher ratio | 13:1 | 14:1 | 16:1 |
| Total public schools | 8 | 1,869 | 79,221 |
| Total private schools | 2 | 872 | 24,874 |
| Total post-secondary schools | n/a | 114 | 7,963 |
| Index | Cudahy | Wisconsin | National |
| Completed 8th grade | 83.7% | 89.0% | 84.3% |
| Completed high school | 82.9% | 87.8% | 83.0% |
| Completed some college | 53.3% | 59.7% | 59.4% |
| Completed associate degree | 29.6% | 38.7% | 38.5% |
| Completed bachelors | 21.5% | 28.4% | 30.3% |
| Completed masters | 4.8% | 9.6% | 11.5% |
| Completed professional degree | 1.3% | 2.7% | 3.3% |
| Completed doctorate | 0.5% | 1.1% | 1.3% |
There are a total of 8 public schools, 2 private schools and n/a post-secondary schools in Cudahy. Using the proficiency score averages, the average test scores for Cudahy, WI schools is 37%. The average student to teacher ratio is 13:1. In Cudahy, WI, an average of 83.7% of students have completed 8th grade and an average of 82.9% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Lannon, WI | 1,184 | 75% | 55.2% |
| Elm Grove, WI | 6,156 | 69% | 44.3% |
| Whitefish Bay, WI | 13,890 | 67% | 38.8% |
| Muskego, WI | 25,077 | 66% | 38.1% |
| Brookfield, WI | 38,626 | 65% | 35.4% |
| Cudahy, WI | 18,211 | 37% | 22.2% |
| City | Population | Avg. Test Scores | National Avg. |
| Marshfield, WI | 18,214 | 51% | 6.3% |
| Trenton, MI | 18,214 | 53% | 9.6% |
| Burlington, KY | 18,203 | 53% | 10.9% |
| Newburyport, MA | 18,197 | 63% | 31.0% |
| Maumelle, AR | 18,193 | 52% | 9.0% |
| Cudahy, WI | 18,211 | 37% | 22.2% |
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