| Index | Westhampton Beach | New York | National |
| Average Test Scores | 73% | 56% | 48% |
| Student/Teacher ratio | n/a | n/a | 16:1 |
| Total public schools | 3 | 4,060 | 79,221 |
| Total private schools | n/a | 1,092 | 24,874 |
| Total post-secondary schools | n/a | 483 | 7,963 |
| Index | Westhampton Beach | New York | National |
| Completed 8th grade | 93.0% | 83.5% | 84.3% |
| Completed high school | 93.0% | 82.1% | 83.0% |
| Completed some college | 73.0% | 59.5% | 59.4% |
| Completed associate degree | 59.3% | 43.4% | 38.5% |
| Completed bachelors | 52.8% | 34.7% | 30.3% |
| Completed masters | 27.6% | 15.1% | 11.5% |
| Completed professional degree | 9.8% | 4.2% | 3.3% |
| Completed doctorate | 1.6% | 1.5% | 1.3% |
There are a total of 3 public schools, n/a private schools and n/a post-secondary schools in Westhampton Beach. Using the proficiency score averages, the average test scores for Westhampton Beach, NY schools is 73%. The average student to teacher ratio is n/a. In Westhampton Beach, NY, an average of 93.0% of students have completed 8th grade and an average of 93.0% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Shoreham, NY | 375 | 82% | 69.8% |
| Quogue, NY | 600 | 80% | 66.7% |
| Mattituck, NY | 4,898 | 77% | 60.4% |
| Brookhaven, NY | 3,203 | 66% | 37.0% |
| Center Moriches, NY | 7,906 | 66% | 36.5% |
| Westhampton Beach, NY | 1,869 | 73% | 51.7% |
| City | Population | Avg. Test Scores | National Avg. |
| Cooperstown, NY | 1,869 | 71% | 47.4% |
| Steeleville, IL | 1,870 | 32% | 32.8% |
| Dunsmuir, CA | 1,870 | 38% | 21.9% |
| Olton, TX | 1,867 | 39% | 18.4% |
| Fort Montgomery, NY | 1,867 | 94% | 94.8% |
| Westhampton Beach, NY | 1,869 | 73% | 51.7% |
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