| Index | Hauppauge | New York | National |
| Average Test Scores | 80% | 56% | 48% |
| Student/Teacher ratio | n/a | n/a | 16:1 |
| Total public schools | 3 | 4,060 | 79,221 |
| Total private schools | 1 | 1,092 | 24,874 |
| Total post-secondary schools | 3 | 483 | 7,963 |
| Index | Hauppauge | New York | National |
| Completed 8th grade | 93.8% | 83.5% | 84.3% |
| Completed high school | 93.6% | 82.1% | 83.0% |
| Completed some college | 70.7% | 59.5% | 59.4% |
| Completed associate degree | 52.5% | 43.4% | 38.5% |
| Completed bachelors | 43.4% | 34.7% | 30.3% |
| Completed masters | 19.2% | 15.1% | 11.5% |
| Completed professional degree | 5.0% | 4.2% | 3.3% |
| Completed doctorate | 1.3% | 1.5% | 1.3% |
There are a total of 3 public schools, 1 private schools and 3 post-secondary schools in Hauppauge. Using the proficiency score averages, the average test scores for Hauppauge, NY schools is 80%. The average student to teacher ratio is n/a. In Hauppauge, NY, an average of 93.8% of students have completed 8th grade and an average of 93.6% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Old Bethpage, NY | 5,450 | 90% | 86.5% |
| Cold Spring Harbor, NY | 2,864 | 87% | 81.3% |
| Plainview, NY | 26,267 | 83% | 72.1% |
| West Sayville, NY | 4,956 | 82% | 69.8% |
| Setauket-East Setauket, NY | 14,174 | 80% | 65.6% |
| Hauppauge, NY | 19,661 | 80% | 66.3% |
| City | Population | Avg. Test Scores | National Avg. |
| Oroville, CA | 19,659 | 34% | 29.3% |
| Meadowbrook, VA | 19,675 | 70% | 46.6% |
| Bourbonnais, IL | 19,639 | 31% | 35.2% |
| Murrysville, PA | 19,692 | 78% | 62.1% |
| Saco, ME | 19,716 | 51% | 5.2% |
| Hauppauge, NY | 19,661 | 80% | 66.3% |
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