| Index | Nelliston | 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 | Nelliston | New York | National |
| Completed 8th grade | 82.8% | 83.5% | 84.3% |
| Completed high school | 77.6% | 82.1% | 83.0% |
| Completed some college | 38.8% | 59.5% | 59.4% |
| Completed associate degree | 17.7% | 43.4% | 38.5% |
| Completed bachelors | 9.8% | 34.7% | 30.3% |
| Completed masters | 3.6% | 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 Nelliston. Using the proficiency score averages, the average test scores for Nelliston, NY schools is n/a. The average student to teacher ratio is n/a. In Nelliston, NY, an average of 82.8% of students have completed 8th grade and an average of 77.6% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Fonda, NY | 724 | 71% | 46.9% |
| Canajoharie, NY | 1,571 | 57% | 19.1% |
| St. Johnsville, NY | 1,866 | 57% | 18.8% |
| Little Falls, NY | 4,673 | 55% | 13.5% |
| Dolgeville, NY | 2,494 | 52% | 8.7% |
| Nelliston, NY | 691 | n/a |
| City | Population | Avg. Test Scores | National Avg. |
| North Creek, NY | 691 | 52% | 8.3% |
| Riegelwood, NC | 691 | 25% | 48.4% |
| Verona, MO | 691 | 31% | 35.9% |
| Avon, IL | 690 | 18% | 63.5% |
| Stewartsville, MO | 692 | 55% | 14.6% |
| Nelliston, NY | 691 | n/a |
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