| Index | Bayville | New York | National |
| Average Test Scores | 75% | 56% | 48% |
| Student/Teacher ratio | n/a | n/a | 16:1 |
| Total public schools | 1 | 4,060 | 79,221 |
| Total private schools | n/a | 1,092 | 24,874 |
| Total post-secondary schools | n/a | 483 | 7,963 |


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| Index | Bayville | New York | National |
| Completed 8th grade | 93.1% | 83.5% | 84.3% |
| Completed high school | 92.9% | 82.1% | 83.0% |
| Completed some college | 69.7% | 59.5% | 59.4% |
| Completed associate degree | 53.8% | 43.4% | 38.5% |
| Completed bachelors | 46.6% | 34.7% | 30.3% |
| Completed masters | 20.6% | 15.1% | 11.5% |
| Completed professional degree | 5.3% | 4.2% | 3.3% |
| Completed doctorate | 1.9% | 1.5% | 1.3% |
There are a total of 1 public schools, n/a private schools and n/a post-secondary schools in Bayville. Using the proficiency score averages, the average test scores for Bayville, NY schools is 75%. The average student to teacher ratio is n/a. In Bayville, NY, an average of 93.1% of students have completed 8th grade and an average of 92.9% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Sea Cliff, NY | 5,212 | 92% | 91.7% |
| 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% |
| Bayville, NY | 6,985 | 75% | 55.2% |
| City | Population | Avg. Test Scores | National Avg. |
| Marble Falls, TX | 6,990 | 41% | 15.2% |
| Demopolis, AL | 6,979 | 40% | 16.0% |
| Cochituate, MA | 6,978 | 78% | 61.5% |
| Tecumseh, OK | 6,977 | 27% | 43.2% |
| Laurel, MT | 6,995 | 30% | 37.5% |
| Bayville, NY | 6,985 | 75% | 55.2% |