| Index | Horicon | Wisconsin | National |
| Average Test Scores | 44% | 41% | 48% |
| Student/Teacher ratio | 14:1 | 14:1 | 16:1 |
| Total public schools | 3 | 1,869 | 79,221 |
| Total private schools | 2 | 872 | 24,874 |
| Total post-secondary schools | n/a | 114 | 7,963 |

| Index | Horicon | Wisconsin | National |
| Completed 8th grade | 88.4% | 89.0% | 84.3% |
| Completed high school | 85.5% | 87.8% | 83.0% |
| Completed some college | 47.0% | 59.7% | 59.4% |
| Completed associate degree | 25.5% | 38.7% | 38.5% |
| Completed bachelors | 15.9% | 28.4% | 30.3% |
| Completed masters | 3.8% | 9.6% | 11.5% |
| Completed professional degree | 0.8% | 2.7% | 3.3% |
| Completed doctorate | 0.0% | 1.1% | 1.3% |
There are a total of 3 public schools, 2 private schools and n/a post-secondary schools in Horicon. Using the proficiency score averages, the average test scores for Horicon, WI schools is 44%. The average student to teacher ratio is 14:1. In Horicon, WI, an average of 88.4% of students have completed 8th grade and an average of 85.5% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Theresa, WI | 1,235 | 70% | 44.8% |
| Allenton, WI | 777 | 62% | 29.2% |
| Hartford, WI | 15,591 | 51% | 6.1% |
| Beaver Dam, WI | 16,884 | 47% | 1.4% |
| Lomira, WI | 2,411 | 41% | 13.9% |
| Horicon, WI | 3,709 | 44% | 9.0% |
| City | Population | Avg. Test Scores | National Avg. |
| Unicoi, TN | 3,709 | 32% | 33.3% |
| Mount Angel, OR | 3,708 | 51% | 5.2% |
| Wheatland, CA | 3,710 | 44% | 9.4% |
| Whitesboro, NY | 3,707 | 64% | 33.1% |
| Imlay City, MI | 3,711 | 36% | 25.0% |
| Horicon, WI | 3,709 | 44% | 9.0% |