| Index | Williston Park | New York | National |
| Average Test Scores | 80% | 56% | 48% |
| Student/Teacher ratio | n/a | n/a | 16:1 |
| Total public schools | 2 | 4,060 | 79,221 |
| Total private schools | 2 | 1,092 | 24,874 |
| Total post-secondary schools | n/a | 483 | 7,963 |
| Index | Williston Park | New York | National |
| Completed 8th grade | 90.4% | 83.5% | 84.3% |
| Completed high school | 89.1% | 82.1% | 83.0% |
| Completed some college | 71.7% | 59.5% | 59.4% |
| Completed associate degree | 57.7% | 43.4% | 38.5% |
| Completed bachelors | 49.6% | 34.7% | 30.3% |
| Completed masters | 23.5% | 15.1% | 11.5% |
| Completed professional degree | 3.7% | 4.2% | 3.3% |
| Completed doctorate | 0.7% | 1.5% | 1.3% |
There are a total of 2 public schools, 2 private schools and n/a post-secondary schools in Williston Park. Using the proficiency score averages, the average test scores for Williston Park, NY schools is 80%. The average student to teacher ratio is n/a. In Williston Park, NY, an average of 90.4% of students have completed 8th grade and an average of 89.1% 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% |
| Williston Park, NY | 7,266 | 80% | 66.7% |
| City | Population | Avg. Test Scores | National Avg. |
| Dade City, FL | 7,270 | 47% | 2.7% |
| Nebraska City, NE | 7,270 | 35% | 28.1% |
| Calipatria, CA | 7,260 | 36% | 24.3% |
| La Feria, TX | 7,276 | 45% | 7.0% |
| Pleasantville, NY | 7,256 | 62% | 29.0% |
| Williston Park, NY | 7,266 | 80% | 66.7% |
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