| Index | Hadley | 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 | Hadley | New York | National |
| Completed 8th grade | 81.9% | 83.5% | 84.3% |
| Completed high school | 80.3% | 82.1% | 83.0% |
| Completed some college | 44.7% | 59.5% | 59.4% |
| Completed associate degree | 19.4% | 43.4% | 38.5% |
| Completed bachelors | 14.4% | 34.7% | 30.3% |
| Completed masters | 4.8% | 15.1% | 11.5% |
| Completed professional degree | 2.4% | 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 Hadley. Using the proficiency score averages, the average test scores for Hadley, NY schools is n/a. The average student to teacher ratio is n/a. In Hadley, NY, an average of 81.9% of students have completed 8th grade and an average of 80.3% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Lake George, NY | 953 | 71% | 47.4% |
| Schuylerville, NY | 1,408 | 68% | 42.0% |
| Glens Falls North, NY | 8,753 | 67% | 38.5% |
| Lake Luzerne, NY | 1,416 | 57% | 18.8% |
| South Glens Falls, NY | 3,612 | 56% | 15.6% |
| Hadley, NY | 1,043 | n/a |
| City | Population | Avg. Test Scores | National Avg. |
| Earlington, KY | 1,043 | 67% | 39.6% |
| Coker, AL | 1,043 | 62% | 29.2% |
| McLean, TX | 1,044 | 55% | 13.5% |
| Bethlehem, GA | 1,042 | 50% | 3.1% |
| Port Byron, NY | 1,042 | 43% | 10.9% |
| Hadley, NY | 1,043 | n/a |
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