| Index | West Islip | New York | National |
| Average Test Scores | 62% | 56% | 48% |
| Student/Teacher ratio | n/a | n/a | 16:1 |
| Total public schools | 9 | 4,060 | 79,221 |
| Total private schools | 2 | 1,092 | 24,874 |
| Total post-secondary schools | n/a | 483 | 7,963 |
| Index | West Islip | New York | National |
| Completed 8th grade | 92.6% | 83.5% | 84.3% |
| Completed high school | 92.0% | 82.1% | 83.0% |
| Completed some college | 65.6% | 59.5% | 59.4% |
| Completed associate degree | 47.8% | 43.4% | 38.5% |
| Completed bachelors | 36.5% | 34.7% | 30.3% |
| Completed masters | 17.8% | 15.1% | 11.5% |
| Completed professional degree | 4.7% | 4.2% | 3.3% |
| Completed doctorate | 1.2% | 1.5% | 1.3% |
There are a total of 9 public schools, 2 private schools and n/a post-secondary schools in West Islip. Using the proficiency score averages, the average test scores for West Islip, NY schools is 62%. The average student to teacher ratio is n/a. In West Islip, NY, an average of 92.6% of students have completed 8th grade and an average of 92.0% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Jericho, NY | 13,928 | 90% | 87.1% |
| Old Bethpage, NY | 5,450 | 90% | 86.5% |
| Cold Spring Harbor, NY | 2,864 | 87% | 81.3% |
| East Meadow, NY | 37,992 | 86% | 79.2% |
| Plainview, NY | 26,267 | 83% | 72.1% |
| West Islip, NY | 26,614 | 62% | 29.2% |
| City | Population | Avg. Test Scores | National Avg. |
| Alvin, TX | 26,592 | 42% | 11.6% |
| Daphne, AL | 26,578 | 64% | 33.8% |
| Garden City, MI | 26,565 | 38% | 21.6% |
| Brownsburg, IN | 26,560 | 78% | 63.0% |
| Wooster, OH | 26,557 | 74% | 54.9% |
| West Islip, NY | 26,614 | 62% | 29.2% |
Here are the best places to live in New York
Safest Cities In The US
These are the 10 cheapest cities in New York
See the best places to live in West Islip