| Index | North Sea | 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 Sea | New York | National |
| Completed 8th grade | 94.0% | 83.5% | 84.3% |
| Completed high school | 93.0% | 82.1% | 83.0% |
| Completed some college | 74.8% | 59.5% | 59.4% |
| Completed associate degree | 57.5% | 43.4% | 38.5% |
| Completed bachelors | 48.0% | 34.7% | 30.3% |
| Completed masters | 17.4% | 15.1% | 11.5% |
| Completed professional degree | 4.8% | 4.2% | 3.3% |
| Completed doctorate | 1.6% | 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 Sea. Using the proficiency score averages, the average test scores for North Sea, NY schools is n/a. The average student to teacher ratio is n/a. In North Sea, NY, an average of 94.0% of students have completed 8th grade and an average of 93.0% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Amagansett, NY | 510 | 80% | 66.7% |
| Quogue, NY | 600 | 80% | 66.7% |
| Mattituck, NY | 4,898 | 77% | 60.4% |
| Westhampton Beach, NY | 1,869 | 73% | 51.7% |
| Sag Harbor, NY | 1,959 | 65% | 34.4% |
| North Sea, NY | 5,263 | n/a |
| City | Population | Avg. Test Scores | National Avg. |
| Dos Palos, CA | 5,266 | 24% | 49.7% |
| Waynesville, MO | 5,260 | 50% | 4.7% |
| Williamsburg, KY | 5,266 | 56% | 16.7% |
| Bowling Green, MO | 5,259 | 44% | 9.4% |
| Scarborough, ME | 5,268 | 65% | 35.1% |
| North Sea, NY | 5,263 | n/a |
Here are the best places to live in New York
Most Dangerous Cities In The US
Check out the 10 most dangerous cities in New York
Safest States In The US