| Index | Wading River | New York | National |
| Average Test Scores | 56% | 56% | 48% |
| Student/Teacher ratio | n/a | n/a | 16:1 |
| Total public schools | 2 | 4,060 | 79,221 |
| Total private schools | n/a | 1,092 | 24,874 |
| Total post-secondary schools | n/a | 483 | 7,963 |
| Index | Wading River | New York | National |
| Completed 8th grade | 93.8% | 83.5% | 84.3% |
| Completed high school | 93.8% | 82.1% | 83.0% |
| Completed some college | 72.0% | 59.5% | 59.4% |
| Completed associate degree | 53.4% | 43.4% | 38.5% |
| Completed bachelors | 38.7% | 34.7% | 30.3% |
| Completed masters | 20.1% | 15.1% | 11.5% |
| Completed professional degree | 3.7% | 4.2% | 3.3% |
| Completed doctorate | 1.6% | 1.5% | 1.3% |
There are a total of 2 public schools, n/a private schools and n/a post-secondary schools in Wading River. Using the proficiency score averages, the average test scores for Wading River, NY schools is 56%. The average student to teacher ratio is n/a. In Wading River, NY, an average of 93.8% of students have completed 8th grade and an average of 93.8% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Shoreham, NY | 390 | 82% | 69.8% |
| Quogue, NY | 623 | 80% | 66.7% |
| Setauket-East Setauket, NY | 14,614 | 80% | 65.6% |
| Port Jefferson, NY | 8,248 | 77% | 60.8% |
| Mattituck, NY | 5,017 | 77% | 60.4% |
| Wading River, NY | 8,387 | 56% | 16.7% |
| City | Population | Avg. Test Scores | National Avg. |
| Thousand Palms, CA | 8,388 | 41% | 14.6% |
| Oradell, NJ | 8,389 | 77% | 60.4% |
| Dayton, NJ | 8,389 | 68% | 41.7% |
| Ephrata, WA | 8,390 | 58% | 19.8% |
| Croton-on-Hudson, NY | 8,383 | 78% | 62.8% |
| Wading River, NY | 8,387 | 56% | 16.7% |
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