| Index | Westhampton | 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 | Westhampton | New York | National |
| Completed 8th grade | 94.5% | 83.5% | 84.3% |
| Completed high school | 93.4% | 82.1% | 83.0% |
| Completed some college | 71.5% | 59.5% | 59.4% |
| Completed associate degree | 56.3% | 43.4% | 38.5% |
| Completed bachelors | 43.1% | 34.7% | 30.3% |
| Completed masters | 20.8% | 15.1% | 11.5% |
| Completed professional degree | 3.7% | 4.2% | 3.3% |
| Completed doctorate | 1.4% | 1.5% | 1.3% |
There are a total of n/a public schools, n/a private schools and n/a post-secondary schools in Westhampton. Using the proficiency score averages, the average test scores for Westhampton, NY schools is n/a. The average student to teacher ratio is n/a. In Westhampton, NY, an average of 94.5% of students have completed 8th grade and an average of 93.4% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Shoreham, NY | 390 | 82% | 69.8% |
| Quogue, NY | 623 | 80% | 66.7% |
| Mattituck, NY | 5,017 | 77% | 60.4% |
| Westhampton Beach, NY | 1,911 | 73% | 51.7% |
| Brookhaven, NY | 3,306 | 66% | 37.0% |
| Westhampton, NY | 3,169 | n/a |
| City | Population | Avg. Test Scores | National Avg. |
| Niantic, CT | 3,169 | 77% | 59.4% |
| Greenwood Lake, NY | 3,168 | 75% | 56.3% |
| Corning, AR | 3,168 | 44% | 8.3% |
| Fairport Harbor, OH | 3,168 | 54% | 11.5% |
| South Eliot, ME | 3,168 | 60% | 25.0% |
| Westhampton, NY | 3,169 | n/a |
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