| Index | Hartford | Iowa | National |
| Average Test Scores | 72% | 69% | 48% |
| Student/Teacher ratio | n/a | 13:1 | 16:1 |
| Total public schools | n/a | 1,101 | 79,221 |
| Total private schools | n/a | 208 | 24,874 |
| Total post-secondary schools | n/a | 96 | 7,963 |
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| Index | Hartford | Iowa | National |
| Completed 8th grade | 88.2% | 89.2% | 84.3% |
| Completed high school | 87.0% | 87.7% | 83.0% |
| Completed some college | 48.9% | 59.8% | 59.4% |
| Completed associate degree | 18.6% | 38.4% | 38.5% |
| Completed bachelors | 8.4% | 27.2% | 30.3% |
| Completed masters | 0.8% | 8.7% | 11.5% |
| Completed professional degree | 0.2% | 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 Hartford. Using the proficiency score averages, the average test scores for Hartford, IA schools is 72%. The average student to teacher ratio is n/a. In Hartford, IA, an average of 88.2% of students have completed 8th grade and an average of 87.0% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Mitchellville, IA | 2,382 | 94% | 94.8% |
| Runnells, IA | 485 | 87% | 81.3% |
| Altoona, IA | 18,917 | 79% | 63.8% |
| Pleasant Hill, IA | 9,959 | 77% | 60.4% |
| Indianola, IA | 15,921 | 74% | 54.0% |
| Hartford, IA | 709 | 72% | 49.0% |
| City | Population | Avg. Test Scores | National Avg. |
| Conway, MO | 709 | 39% | 18.2% |
| Welling, OK | 709 | 32% | 33.3% |
| Plankinton, SD | 709 | 39% | 18.2% |
| Onaga, KS | 709 | 40% | 17.2% |
| Chiloquin, OR | 710 | 32% | 32.6% |
| Hartford, IA | 709 | 72% | 49.0% |
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