| Index | North Bellport | 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 | North Bellport | New York | National |
| Completed 8th grade | 80.2% | 83.5% | 84.3% |
| Completed high school | 78.0% | 82.1% | 83.0% |
| Completed some college | 50.4% | 59.5% | 59.4% |
| Completed associate degree | 28.3% | 43.4% | 38.5% |
| Completed bachelors | 20.0% | 34.7% | 30.3% |
| Completed masters | 8.4% | 15.1% | 11.5% |
| Completed professional degree | 1.3% | 4.2% | 3.3% |
| Completed doctorate | 0.2% | 1.5% | 1.3% |
There are a total of n/a public schools, n/a private schools and n/a post-secondary schools in North Bellport. Using the proficiency score averages, the average test scores for North Bellport, NY schools is n/a. The average student to teacher ratio is n/a. In North Bellport, NY, an average of 80.2% of students have completed 8th grade and an average of 78.0% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Shoreham, NY | 390 | 82% | 69.8% |
| West Sayville, NY | 5,133 | 82% | 69.8% |
| Hauppauge, NY | 20,417 | 80% | 66.3% |
| Setauket-East Setauket, NY | 14,614 | 80% | 65.6% |
| Port Jefferson, NY | 8,248 | 77% | 60.8% |
| North Bellport, NY | 10,734 | n/a |
| City | Population | Avg. Test Scores | National Avg. |
| Anderson, CA | 10,734 | 37% | 22.8% |
| Union City, TN | 10,733 | 34% | 29.6% |
| Kearney, MO | 10,736 | 64% | 33.2% |
| Cambridge, OH | 10,738 | 57% | 19.4% |
| Sedona, AZ | 10,738 | 41% | 14.4% |
| North Bellport, NY | 10,734 | n/a |