| Index | Sullivan | Wisconsin | National |
| Average Test Scores | 72% | 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 | Sullivan | Wisconsin | National |
| Completed 8th grade | 85.1% | 89.0% | 84.3% |
| Completed high school | 84.1% | 87.8% | 83.0% |
| Completed some college | 54.1% | 59.7% | 59.4% |
| Completed associate degree | 27.1% | 38.7% | 38.5% |
| Completed bachelors | 18.2% | 28.4% | 30.3% |
| Completed masters | 4.9% | 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 n/a public schools, n/a private schools and n/a post-secondary schools in Sullivan. Using the proficiency score averages, the average test scores for Sullivan, WI schools is 72%. The average student to teacher ratio is n/a. In Sullivan, WI, an average of 85.1% of students have completed 8th grade and an average of 84.1% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Merton, WI | 3,721 | 72% | 49.0% |
| North Prairie, WI | 2,542 | 72% | 49.0% |
| Hartland, WI | 9,317 | 69% | 44.0% |
| Delafield, WI | 7,541 | 63% | 31.3% |
| Eagle, WI | 2,138 | 60% | 24.5% |
| Sullivan, WI | 710 | 72% | 50.0% |
| City | Population | Avg. Test Scores | National Avg. |
| Newland, NC | 710 | 49% | 1.9% |
| Chiloquin, OR | 710 | 32% | 32.6% |
| Bardwell, KY | 710 | 44% | 8.7% |
| Kirby, AR | 710 | 40% | 17.7% |
| Stetsonville, WI | 711 | 55% | 13.5% |
| Sullivan, WI | 710 | 72% | 50.0% |
Here are the best places to live in Wisconsin
Top 10 cities in Wisconsin with the best education system
Check out the 10 safest cities in Wisconsin
10 best cities to buy a new house in Wisconsin