| Index | Wyandanch | New York | National |
| Average Test Scores | 40% | 56% | 48% |
| Student/Teacher ratio | n/a | n/a | 16:1 |
| Total public schools | 4 | 4,060 | 79,221 |
| Total private schools | n/a | 1,092 | 24,874 |
| Total post-secondary schools | n/a | 483 | 7,963 |
| Index | Wyandanch | New York | National |
| Completed 8th grade | 73.8% | 83.5% | 84.3% |
| Completed high school | 71.6% | 82.1% | 83.0% |
| Completed some college | 40.6% | 59.5% | 59.4% |
| Completed associate degree | 19.9% | 43.4% | 38.5% |
| Completed bachelors | 13.6% | 34.7% | 30.3% |
| Completed masters | 4.0% | 15.1% | 11.5% |
| Completed professional degree | 1.4% | 4.2% | 3.3% |
| Completed doctorate | 0.4% | 1.5% | 1.3% |
There are a total of 4 public schools, n/a private schools and n/a post-secondary schools in Wyandanch. Using the proficiency score averages, the average test scores for Wyandanch, NY schools is 40%. The average student to teacher ratio is n/a. In Wyandanch, NY, an average of 73.8% of students have completed 8th grade and an average of 71.6% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Sea Cliff, NY | 5,045 | 92% | 91.7% |
| Old Westbury, NY | 4,618 | 91% | 88.5% |
| Jericho, NY | 13,928 | 90% | 87.1% |
| Old Bethpage, NY | 5,450 | 90% | 86.5% |
| Glen Head, NY | 4,843 | 89% | 85.7% |
| Wyandanch, NY | 11,632 | 40% | 16.7% |
| City | Population | Avg. Test Scores | National Avg. |
| Largo, MD | 11,633 | 65% | 35.9% |
| Beachwood, OH | 11,627 | 86% | 79.5% |
| Maryville, MO | 11,641 | 55% | 14.9% |
| Manor, TX | 11,643 | 39% | 18.8% |
| Winton, CA | 11,619 | 44% | 7.5% |
| Wyandanch, NY | 11,632 | 40% | 16.7% |
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