| Index | Port Jefferson Station | 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 | 1 | 1,092 | 24,874 |
| Total post-secondary schools | n/a | 483 | 7,963 |
| Index | Port Jefferson Station | New York | National |
| Completed 8th grade | 89.1% | 83.5% | 84.3% |
| Completed high school | 88.8% | 82.1% | 83.0% |
| Completed some college | 62.4% | 59.5% | 59.4% |
| Completed associate degree | 42.6% | 43.4% | 38.5% |
| Completed bachelors | 34.2% | 34.7% | 30.3% |
| Completed masters | 18.5% | 15.1% | 11.5% |
| Completed professional degree | 4.2% | 4.2% | 3.3% |
| Completed doctorate | 2.4% | 1.5% | 1.3% |
There are a total of n/a public schools, 1 private schools and n/a post-secondary schools in Port Jefferson Station. Using the proficiency score averages, the average test scores for Port Jefferson Station, NY schools is n/a. The average student to teacher ratio is n/a. In Port Jefferson Station, NY, an average of 89.1% of students have completed 8th grade and an average of 88.8% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Westport, CT | 27,511 | 84% | 75.7% |
| Shoreham, NY | 375 | 82% | 69.8% |
| West Sayville, NY | 4,956 | 82% | 69.8% |
| Hauppauge, NY | 19,661 | 80% | 66.3% |
| Setauket-East Setauket, NY | 14,174 | 80% | 65.6% |
| Port Jefferson Station, NY | 7,516 | n/a |
| City | Population | Avg. Test Scores | National Avg. |
| Galliano, LA | 7,514 | 83% | 73.4% |
| Strathmore, NJ | 7,514 | 62% | 28.5% |
| Auburn, GA | 7,519 | 54% | 11.8% |
| Haddon Heights, NJ | 7,520 | 66% | 36.5% |
| Meridianville, AL | 7,520 | 67% | 39.6% |
| Port Jefferson Station, NY | 7,516 | n/a |
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