| Index | Delavan | Wisconsin | National |
| Average Test Scores | 24% | 41% | 48% |
| Student/Teacher ratio | 13:1 | 14:1 | 16:1 |
| Total public schools | 5 | 1,869 | 79,221 |
| Total private schools | 3 | 872 | 24,874 |
| Total post-secondary schools | n/a | 114 | 7,963 |
| Index | Delavan | Wisconsin | National |
| Completed 8th grade | 76.5% | 89.0% | 84.3% |
| Completed high school | 74.8% | 87.8% | 83.0% |
| Completed some college | 47.9% | 59.7% | 59.4% |
| Completed associate degree | 24.9% | 38.7% | 38.5% |
| Completed bachelors | 15.2% | 28.4% | 30.3% |
| Completed masters | 4.9% | 9.6% | 11.5% |
| Completed professional degree | 0.5% | 2.7% | 3.3% |
| Completed doctorate | 0.1% | 1.1% | 1.3% |
There are a total of 5 public schools, 3 private schools and n/a post-secondary schools in Delavan. Using the proficiency score averages, the average test scores for Delavan, WI schools is 24%. The average student to teacher ratio is 13:1. In Delavan, WI, an average of 76.5% of students have completed 8th grade and an average of 74.8% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Fontana-on-Geneva Lake, WI | 1,552 | 52% | 8.3% |
| Lake Geneva, WI | 8,147 | 51% | 6.5% |
| Williams Bay, WI | 2,709 | 46% | 5.2% |
| East Troy, WI | 4,447 | 41% | 14.9% |
| Whitewater, WI | 15,063 | 41% | 14.9% |
| Delavan, WI | 8,509 | 24% | 49.7% |
| City | Population | Avg. Test Scores | National Avg. |
| Temple Hills, MD | 8,508 | 18% | 63.1% |
| Mammoth Lakes, CA | 8,511 | 43% | 10.4% |
| Spotswood, NJ | 8,512 | 57% | 18.8% |
| St. Joseph, MI | 8,505 | 65% | 34.9% |
| Kenilworth, NJ | 8,505 | 38% | 21.4% |
| Delavan, WI | 8,509 | 24% | 49.7% |
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