| Index | Hartford | Wisconsin | National |
| Average Test Scores | 51% | 41% | 48% |
| Student/Teacher ratio | 15:1 | 14:1 | 16:1 |
| Total public schools | 6 | 1,869 | 79,221 |
| Total private schools | 3 | 872 | 24,874 |
| Total post-secondary schools | n/a | 114 | 7,963 |
| Index | Hartford | Wisconsin | National |
| Completed 8th grade | 91.0% | 89.0% | 84.3% |
| Completed high school | 90.0% | 87.8% | 83.0% |
| Completed some college | 60.5% | 59.7% | 59.4% |
| Completed associate degree | 36.8% | 38.7% | 38.5% |
| Completed bachelors | 25.6% | 28.4% | 30.3% |
| Completed masters | 5.8% | 9.6% | 11.5% |
| Completed professional degree | 1.0% | 2.7% | 3.3% |
| Completed doctorate | 0.2% | 1.1% | 1.3% |
There are a total of 6 public schools, 3 private schools and n/a post-secondary schools in Hartford. Using the proficiency score averages, the average test scores for Hartford, WI schools is 51%. The average student to teacher ratio is 15:1. In Hartford, WI, an average of 91.0% of students have completed 8th grade and an average of 90.0% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Lannon, WI | 1,184 | 75% | 55.2% |
| Merton, WI | 3,721 | 72% | 49.0% |
| Theresa, WI | 1,199 | 70% | 44.8% |
| Sussex, WI | 10,884 | 66% | 37.7% |
| Jackson, WI | 7,149 | 62% | 29.2% |
| Hartford, WI | 15,228 | 51% | 6.1% |
| City | Population | Avg. Test Scores | National Avg. |
| Great Bend, KS | 15,224 | 32% | 34.1% |
| Hudson, MA | 15,222 | 53% | 10.2% |
| Jamestown, ND | 15,216 | 56% | 15.6% |
| Front Royal, VA | 15,214 | 76% | 58.4% |
| Ladson, SC | 15,252 | 39% | 18.3% |
| Hartford, WI | 15,228 | 51% | 6.1% |
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