| Index | Casco | Wisconsin | National |
| Average Test Scores | 55% | 41% | 48% |
| Student/Teacher ratio | n/a | 14:1 | 16:1 |
| Total public schools | n/a | 1,869 | 79,221 |
| Total private schools | n/a | 872 | 24,874 |
| Total post-secondary schools | n/a | 114 | 7,963 |
| Index | Casco | Wisconsin | National |
| Completed 8th grade | 87.5% | 89.0% | 84.3% |
| Completed high school | 85.7% | 87.8% | 83.0% |
| Completed some college | 47.8% | 59.7% | 59.4% |
| Completed associate degree | 30.9% | 38.7% | 38.5% |
| Completed bachelors | 21.5% | 28.4% | 30.3% |
| Completed masters | 6.9% | 9.6% | 11.5% |
| Completed professional degree | 2.0% | 2.7% | 3.3% |
| Completed doctorate | 0.0% | 1.1% | 1.3% |
There are a total of n/a public schools, n/a private schools and n/a post-secondary schools in Casco. Using the proficiency score averages, the average test scores for Casco, WI schools is 55%. The average student to teacher ratio is n/a. In Casco, WI, an average of 87.5% of students have completed 8th grade and an average of 85.7% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Luxemburg, WI | 2,571 | 50% | 3.1% |
| Denmark, WI | 2,346 | 44% | 8.1% |
| Kewaunee, WI | 2,849 | 39% | 19.4% |
| Algoma, WI | 3,044 | 35% | 28.1% |
| Casco, WI | 597 | 55% | 14.6% |
| City | Population | Avg. Test Scores | National Avg. |
| Chesnee, SC | 597 | 60% | 25.2% |
| Confluence, PA | 597 | 47% | 1.6% |
| Funston, GA | 597 | 37% | 22.9% |
| Lewistown, MO | 597 | 37% | 23.4% |
| Yakutat, AK | 597 | 38% | 21.9% |
| Casco, WI | 597 | 55% | 14.6% |
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