| Index | Henderson | New York | National |
| Average Test Scores | n/a | 56% | 48% |
| Student/Teacher ratio | n/a | n/a | 16:1 |
| Total public schools | n/a | 4,060 | 79,221 |
| Total private schools | n/a | 1,092 | 24,874 |
| Total post-secondary schools | n/a | 483 | 7,963 |
| Index | Henderson | New York | National |
| Completed 8th grade | 79.3% | 83.5% | 84.3% |
| Completed high school | 79.3% | 82.1% | 83.0% |
| Completed some college | 43.0% | 59.5% | 59.4% |
| Completed associate degree | 29.6% | 43.4% | 38.5% |
| Completed bachelors | 10.4% | 34.7% | 30.3% |
| Completed masters | 2.2% | 15.1% | 11.5% |
| Completed professional degree | 0.0% | 4.2% | 3.3% |
| Completed doctorate | 0.0% | 1.5% | 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, NY schools is n/a. The average student to teacher ratio is n/a. In Henderson, NY, an average of 79.3% of students have completed 8th grade and an average of 79.3% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Adams, NY | 1,855 | 66% | 37.0% |
| Sandy Creek, NY | 572 | 59% | 22.6% |
| Sackets Harbor, NY | 1,550 | 58% | 20.8% |
| Dexter, NY | 790 | 54% | 13.0% |
| Belleville, NY | 279 | 54% | 12.5% |
| Henderson, NY | 236 | n/a |
| City | Population | Avg. Test Scores | National Avg. |
| Thedford, NE | 236 | 40% | 16.7% |
| Koliganek, AK | 236 | 13% | 74.0% |
| Ruthton, MN | 236 | 60% | 24.0% |
| Grenora, ND | 236 | 49% | 1.0% |
| Fort Yates, ND | 237 | 10% | 80.2% |
| Henderson, NY | 236 | n/a |
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