| Index | Port Leyden | New York | National |
| Average Test Scores | 55% | 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 | Port Leyden | New York | National |
| Completed 8th grade | 87.8% | 83.5% | 84.3% |
| Completed high school | 87.8% | 82.1% | 83.0% |
| Completed some college | 43.0% | 59.5% | 59.4% |
| Completed associate degree | 22.2% | 43.4% | 38.5% |
| Completed bachelors | 12.2% | 34.7% | 30.3% |
| Completed masters | 0.7% | 15.1% | 11.5% |
| Completed professional degree | 0.2% | 4.2% | 3.3% |
| Completed doctorate | 0.2% | 1.5% | 1.3% |
There are a total of n/a public schools, n/a private schools and n/a post-secondary schools in Port Leyden. Using the proficiency score averages, the average test scores for Port Leyden, NY schools is 55%. The average student to teacher ratio is n/a. In Port Leyden, NY, an average of 87.8% of students have completed 8th grade and an average of 87.8% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Lowville, NY | 3,329 | 68% | 41.7% |
| Turin, NY | 430 | 67% | 39.1% |
| Boonville, NY | 1,960 | 58% | 19.8% |
| Port Leyden, NY | 649 | 55% | 13.5% |
| City | Population | Avg. Test Scores | National Avg. |
| Bucklin, KS | 649 | 26% | 45.8% |
| Gibsland, LA | 649 | 55% | 13.5% |
| Sandy Hook, KY | 649 | 45% | 5.6% |
| Gilbert, SC | 650 | 49% | 1.0% |
| Howells, NE | 648 | 77% | 60.4% |
| Port Leyden, NY | 649 | 55% | 13.5% |
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