| Index | Northport | New York | National |
| Average Test Scores | 76% | 56% | 48% |
| Student/Teacher ratio | n/a | n/a | 16:1 |
| Total public schools | 5 | 4,060 | 79,221 |
| Total private schools | 1 | 1,092 | 24,874 |
| Total post-secondary schools | 1 | 483 | 7,963 |
| Index | Northport | New York | National |
| Completed 8th grade | 96.7% | 83.5% | 84.3% |
| Completed high school | 96.4% | 82.1% | 83.0% |
| Completed some college | 84.7% | 59.5% | 59.4% |
| Completed associate degree | 69.3% | 43.4% | 38.5% |
| Completed bachelors | 63.1% | 34.7% | 30.3% |
| Completed masters | 31.1% | 15.1% | 11.5% |
| Completed professional degree | 7.2% | 4.2% | 3.3% |
| Completed doctorate | 4.1% | 1.5% | 1.3% |
There are a total of 5 public schools, 1 private schools and 1 post-secondary schools in Northport. Using the proficiency score averages, the average test scores for Northport, NY schools is 76%. The average student to teacher ratio is n/a. In Northport, NY, an average of 96.7% of students have completed 8th grade and an average of 96.4% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Old Westbury, NY | 4,784 | 91% | 88.5% |
| Jericho, NY | 14,448 | 90% | 87.1% |
| Old Bethpage, NY | 5,640 | 90% | 86.5% |
| Glen Head, NY | 4,979 | 89% | 85.7% |
| Cold Spring Harbor, NY | 2,967 | 87% | 81.3% |
| Northport, NY | 7,478 | 76% | 58.5% |
| City | Population | Avg. Test Scores | National Avg. |
| Winters, CA | 7,479 | 36% | 24.2% |
| Neptune Beach, FL | 7,476 | 70% | 46.4% |
| Ralston, NE | 7,481 | 44% | 9.1% |
| Mexia, TX | 7,473 | 36% | 24.7% |
| Crystal City, TX | 7,473 | 29% | 38.8% |
| Northport, NY | 7,478 | 76% | 58.5% |
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