| Index | Fishers Island | New York | National |
| Average Test Scores | 80% | 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 | Fishers Island | New York | National |
| Completed 8th grade | 85.7% | 83.5% | 84.3% |
| Completed high school | 85.7% | 82.1% | 83.0% |
| Completed some college | 66.8% | 59.5% | 59.4% |
| Completed associate degree | 55.9% | 43.4% | 38.5% |
| Completed bachelors | 49.2% | 34.7% | 30.3% |
| Completed masters | 32.8% | 15.1% | 11.5% |
| Completed professional degree | 13.9% | 4.2% | 3.3% |
| Completed doctorate | 6.7% | 1.5% | 1.3% |
There are a total of n/a public schools, n/a private schools and n/a post-secondary schools in Fishers Island. Using the proficiency score averages, the average test scores for Fishers Island, NY schools is 80%. The average student to teacher ratio is n/a. In Fishers Island, NY, an average of 85.7% of students have completed 8th grade and an average of 85.7% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Stonington, CT | 899 | 77% | 60.4% |
| Niantic, CT | 3,083 | 77% | 59.4% |
| Ashaway, RI | 1,444 | 72% | 50.0% |
| Pawcatuck, CT | 5,024 | 68% | 42.4% |
| Mystic, CT | 4,776 | 65% | 34.4% |
| Fishers Island, NY | 61 | 80% | 66.7% |
| City | Population | Avg. Test Scores | National Avg. |
| St. Charles, VA | 61 | 83% | 71.9% |
| Klukwan, AK | 61 | 50% | 4.2% |
| Sasakwa, OK | 61 | 13% | 72.4% |
| Yucca, AZ | 61 | 50% | 4.2% |
| Crookston, NE | 61 | 30% | 37.5% |
| Fishers Island, NY | 61 | 80% | 66.7% |
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