| Index | Hewlett Bay Park | 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 Bay Park | New York | National |
| Completed 8th grade | 94.7% | 83.5% | 84.3% |
| Completed high school | 94.7% | 82.1% | 83.0% |
| Completed some college | 87.8% | 59.5% | 59.4% |
| Completed associate degree | 77.2% | 43.4% | 38.5% |
| Completed bachelors | 74.9% | 34.7% | 30.3% |
| Completed masters | 38.8% | 15.1% | 11.5% |
| Completed professional degree | 25.9% | 4.2% | 3.3% |
| Completed doctorate | 3.4% | 1.5% | 1.3% |
There are a total of n/a public schools, n/a private schools and n/a post-secondary schools in Hewlett Bay Park. Using the proficiency score averages, the average test scores for Hewlett Bay Park, NY schools is n/a. The average student to teacher ratio is n/a. In Hewlett Bay Park, NY, an average of 94.7% of students have completed 8th grade and an average of 94.7% 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% |
| Hewlett Bay Park, NY | 351 | n/a |
| City | Population | Avg. Test Scores | National Avg. |
| Potter, NE | 351 | 60% | 25.0% |
| Granton, WI | 351 | 31% | 35.4% |
| Martin, KY | 351 | 67% | 39.6% |
| Grand View, ID | 351 | 30% | 37.5% |
| Lockwood, CA | 351 | 35% | 28.1% |
| Hewlett Bay Park, NY | 351 | n/a |
Here are the best places to live in New York
Top 10 cities in New York with the best education system
10 Best cities in New York for employment
See the best places to live in & around Hewlett Bay Park