| Index | Sound Beach | 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 | Sound Beach | New York | National |
| Completed 8th grade | 91.9% | 83.5% | 84.3% |
| Completed high school | 91.5% | 82.1% | 83.0% |
| Completed some college | 68.8% | 59.5% | 59.4% |
| Completed associate degree | 47.5% | 43.4% | 38.5% |
| Completed bachelors | 38.4% | 34.7% | 30.3% |
| Completed masters | 14.2% | 15.1% | 11.5% |
| Completed professional degree | 2.4% | 4.2% | 3.3% |
| Completed doctorate | 1.5% | 1.5% | 1.3% |
There are a total of n/a public schools, n/a private schools and n/a post-secondary schools in Sound Beach. Using the proficiency score averages, the average test scores for Sound Beach, NY schools is n/a. The average student to teacher ratio is n/a. In Sound Beach, NY, an average of 91.9% of students have completed 8th grade and an average of 91.5% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Shoreham, NY | 390 | 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% |
| St. James, NY | 13,838 | 76% | 59.0% |
| Sound Beach, NY | 7,243 | n/a |
| City | Population | Avg. Test Scores | National Avg. |
| Mead, WA | 7,244 | 68% | 40.6% |
| Gypsum, CO | 7,241 | 34% | 29.6% |
| Clinton, IL | 7,241 | 28% | 41.3% |
| Morrow, GA | 7,240 | 32% | 33.8% |
| Ridley Park, PA | 7,250 | 56% | 15.6% |
| Sound Beach, NY | 7,243 | n/a |
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