| Index | Head of the Harbor | 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 | Head of the Harbor | New York | National |
| Completed 8th grade | 97.1% | 83.5% | 84.3% |
| Completed high school | 96.8% | 82.1% | 83.0% |
| Completed some college | 85.2% | 59.5% | 59.4% |
| Completed associate degree | 72.2% | 43.4% | 38.5% |
| Completed bachelors | 65.6% | 34.7% | 30.3% |
| Completed masters | 35.7% | 15.1% | 11.5% |
| Completed professional degree | 19.6% | 4.2% | 3.3% |
| Completed doctorate | 7.3% | 1.5% | 1.3% |
There are a total of n/a public schools, n/a private schools and n/a post-secondary schools in Head of the Harbor. Using the proficiency score averages, the average test scores for Head of the Harbor, NY schools is n/a. The average student to teacher ratio is n/a. In Head of the Harbor, NY, an average of 97.1% of students have completed 8th grade and an average of 96.8% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| West Sayville, NY | 4,956 | 82% | 69.8% |
| Shoreham, NY | 375 | 82% | 69.8% |
| Hauppauge, NY | 19,661 | 80% | 66.3% |
| Setauket-East Setauket, NY | 14,174 | 80% | 65.6% |
| Elwood, NY | 11,582 | 79% | 63.5% |
| Head of the Harbor, NY | 1,454 | n/a |
| City | Population | Avg. Test Scores | National Avg. |
| Griggsville, IL | 1,454 | 25% | 47.9% |
| Stratford, WI | 1,454 | 48% | 0.3% |
| Goodman, MO | 1,454 | 35% | 28.1% |
| Babbitt, MN | 1,454 | 48% | 0.5% |
| North Bend, NE | 1,453 | 62% | 29.2% |
| Head of the Harbor, NY | 1,454 | n/a |
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