| Index | Henderson | Iowa | National |
| Average Test Scores | n/a | 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 |
| Index | Henderson | Iowa | National |
| Completed 8th grade | 83.3% | 89.2% | 84.3% |
| Completed high school | 81.5% | 87.7% | 83.0% |
| Completed some college | 45.4% | 59.8% | 59.4% |
| Completed associate degree | 20.4% | 38.4% | 38.5% |
| Completed bachelors | 6.5% | 27.2% | 30.3% |
| Completed masters | 0.0% | 8.7% | 11.5% |
| Completed professional degree | 0.0% | 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 Henderson. Using the proficiency score averages, the average test scores for Henderson, IA schools is n/a. The average student to teacher ratio is n/a. In Henderson, IA, an average of 83.3% of students have completed 8th grade and an average of 81.5% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Treynor, IA | 942 | 86% | 79.9% |
| Elliott, IA | 539 | 85% | 77.1% |
| Carson, IA | 730 | 77% | 60.4% |
| Hastings, IA | 154 | 77% | 60.4% |
| Malvern, IA | 1,153 | 72% | 50.0% |
| Henderson, IA | 213 | n/a |
| City | Population | Avg. Test Scores | National Avg. |
| Galway, NY | 213 | 57% | 19.3% |
| Nanwalek, AK | 213 | 10% | 79.2% |
| Westside, CA | 213 | 17% | 64.6% |
| Sweet Water, AL | 213 | 66% | 36.5% |
| Flasher, ND | 213 | 56% | 16.7% |
| Henderson, IA | 213 | n/a |
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