| Index | Roslyn | 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 | 3 | 1,092 | 24,874 |
| Total post-secondary schools | n/a | 483 | 7,963 |
| Index | Roslyn | New York | National |
| Completed 8th grade | 97.2% | 83.5% | 84.3% |
| Completed high school | 95.8% | 82.1% | 83.0% |
| Completed some college | 78.1% | 59.5% | 59.4% |
| Completed associate degree | 69.7% | 43.4% | 38.5% |
| Completed bachelors | 65.5% | 34.7% | 30.3% |
| Completed masters | 30.7% | 15.1% | 11.5% |
| Completed professional degree | 14.4% | 4.2% | 3.3% |
| Completed doctorate | 2.9% | 1.5% | 1.3% |
There are a total of n/a public schools, 3 private schools and n/a post-secondary schools in Roslyn. Using the proficiency score averages, the average test scores for Roslyn, NY schools is n/a. The average student to teacher ratio is n/a. In Roslyn, NY, an average of 97.2% of students have completed 8th grade and an average of 95.8% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Sea Cliff, NY | 5,045 | 92% | 91.7% |
| Cedarhurst, NY | 6,642 | 91% | 89.6% |
| Old Westbury, NY | 4,618 | 91% | 88.5% |
| Jericho, NY | 13,928 | 90% | 87.1% |
| Old Bethpage, NY | 5,450 | 90% | 86.5% |
| Roslyn, NY | 2,888 | n/a |
| City | Population | Avg. Test Scores | National Avg. |
| Gladwin, MI | 2,888 | 49% | 2.6% |
| Fowlerville, MI | 2,888 | 47% | 3.1% |
| Shady Shores, TX | 2,888 | 50% | 4.5% |
| Fairfield, TX | 2,888 | 51% | 6.6% |
| Butler, IN | 2,889 | 42% | 12.0% |
| Roslyn, NY | 2,888 | n/a |
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