| Index | Hewlett Neck | 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 | Hewlett Neck | New York | National |
| Completed 8th grade | 96.3% | 83.5% | 84.3% |
| Completed high school | 96.3% | 82.1% | 83.0% |
| Completed some college | 90.0% | 59.5% | 59.4% |
| Completed associate degree | 81.7% | 43.4% | 38.5% |
| Completed bachelors | 76.3% | 34.7% | 30.3% |
| Completed masters | 45.6% | 15.1% | 11.5% |
| Completed professional degree | 22.0% | 4.2% | 3.3% |
| Completed doctorate | 2.1% | 1.5% | 1.3% |
There are a total of n/a public schools, n/a private schools and n/a post-secondary schools in Hewlett Neck. Using the proficiency score averages, the average test scores for Hewlett Neck, NY schools is n/a. The average student to teacher ratio is n/a. In Hewlett Neck, NY, an average of 96.3% of students have completed 8th grade and an average of 96.3% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| 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% |
| East Meadow, NY | 37,992 | 86% | 79.2% |
| Hewlett Neck, NY | 635 | n/a |
| City | Population | Avg. Test Scores | National Avg. |
| Sharon, CT | 635 | 57% | 18.8% |
| Matthews, MO | 635 | 72% | 50.0% |
| New Florence, PA | 635 | 37% | 22.9% |
| New Lothrop, MI | 635 | 55% | 15.1% |
| Clearbrook, MN | 636 | 50% | 3.1% |
| Hewlett Neck, NY | 635 | n/a |
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