| Index | Port Henry | New York | National |
| Average Test Scores | 48% | 56% | 48% |
| Student/Teacher ratio | n/a | n/a | 16:1 |
| Total public schools | 2 | 4,060 | 79,221 |
| Total private schools | n/a | 1,092 | 24,874 |
| Total post-secondary schools | n/a | 483 | 7,963 |
| Index | Port Henry | New York | National |
| Completed 8th grade | 82.0% | 83.5% | 84.3% |
| Completed high school | 78.8% | 82.1% | 83.0% |
| Completed some college | 42.7% | 59.5% | 59.4% |
| Completed associate degree | 25.8% | 43.4% | 38.5% |
| Completed bachelors | 15.4% | 34.7% | 30.3% |
| Completed masters | 6.7% | 15.1% | 11.5% |
| Completed professional degree | 0.9% | 4.2% | 3.3% |
| Completed doctorate | 0.0% | 1.5% | 1.3% |
There are a total of 2 public schools, n/a private schools and n/a post-secondary schools in Port Henry. Using the proficiency score averages, the average test scores for Port Henry, NY schools is 48%. The average student to teacher ratio is n/a. In Port Henry, NY, an average of 82.0% of students have completed 8th grade and an average of 78.8% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Westport, NY | 302 | 60% | 24.0% |
| Ticonderoga, NY | 3,466 | 54% | 12.8% |
| Elizabethtown, NY | 581 | 52% | 8.3% |
| Port Henry, NY | 1,859 | 48% | 0.5% |
| City | Population | Avg. Test Scores | National Avg. |
| Capac, MI | 1,858 | 40% | 16.3% |
| San Augustine, TX | 1,857 | 27% | 44.4% |
| Hopewell, NJ | 1,857 | 75% | 55.2% |
| Jal, NM | 1,856 | 11% | 77.1% |
| Flora, IN | 1,856 | 57% | 17.7% |
| Port Henry, NY | 1,859 | 48% | 0.5% |
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