| Index | Islandia | New York | National |
| Average Test Scores | 38% | 56% | 48% |
| Student/Teacher ratio | n/a | n/a | 16:1 |
| Total public schools | n/a | 4,060 | 79,221 |
| Total private schools | 2 | 1,092 | 24,874 |
| Total post-secondary schools | n/a | 483 | 7,963 |
| Index | Islandia | New York | National |
| Completed 8th grade | 84.9% | 83.5% | 84.3% |
| Completed high school | 84.0% | 82.1% | 83.0% |
| Completed some college | 52.6% | 59.5% | 59.4% |
| Completed associate degree | 31.7% | 43.4% | 38.5% |
| Completed bachelors | 23.5% | 34.7% | 30.3% |
| Completed masters | 7.6% | 15.1% | 11.5% |
| Completed professional degree | 1.4% | 4.2% | 3.3% |
| Completed doctorate | 0.6% | 1.5% | 1.3% |
There are a total of n/a public schools, 2 private schools and n/a post-secondary schools in Islandia. Using the proficiency score averages, the average test scores for Islandia, NY schools is 38%. The average student to teacher ratio is n/a. In Islandia, NY, an average of 84.9% of students have completed 8th grade and an average of 84.0% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Old Bethpage, NY | 5,450 | 90% | 86.5% |
| Cold Spring Harbor, NY | 2,864 | 87% | 81.3% |
| Shoreham, NY | 375 | 82% | 69.8% |
| West Sayville, NY | 4,956 | 82% | 69.8% |
| Hauppauge, NY | 19,661 | 80% | 66.3% |
| Islandia, NY | 3,315 | 38% | 21.9% |
| City | Population | Avg. Test Scores | National Avg. |
| Edcouch, TX | 3,314 | 37% | 22.4% |
| Masontown, PA | 3,314 | 47% | 2.1% |
| Andrews AFB, MD | 3,316 | 38% | 21.9% |
| Lyons, NY | 3,313 | 42% | 13.5% |
| Bella Vista, CA | 3,320 | 48% | = 100 |
| Islandia, NY | 3,315 | 38% | 21.9% |
Here are the best places to live in New York
Check out the 10 most dangerous cities in New York
Safest States In The US
Most Dangerous States In The US