| Index | Valley Stream | New York | National |
| Average Test Scores | 66% | 56% | 48% |
| Student/Teacher ratio | n/a | n/a | 16:1 |
| Total public schools | 15 | 4,060 | 79,221 |
| Total private schools | 4 | 1,092 | 24,874 |
| Total post-secondary schools | 1 | 483 | 7,963 |
| Index | Valley Stream | New York | National |
| Completed 8th grade | 87.7% | 83.5% | 84.3% |
| Completed high school | 87.0% | 82.1% | 83.0% |
| Completed some college | 63.9% | 59.5% | 59.4% |
| Completed associate degree | 45.0% | 43.4% | 38.5% |
| Completed bachelors | 35.7% | 34.7% | 30.3% |
| Completed masters | 13.4% | 15.1% | 11.5% |
| Completed professional degree | 3.4% | 4.2% | 3.3% |
| Completed doctorate | 0.8% | 1.5% | 1.3% |
There are a total of 15 public schools, 4 private schools and 1 post-secondary schools in Valley Stream. Using the proficiency score averages, the average test scores for Valley Stream, NY schools is 66%. The average student to teacher ratio is n/a. In Valley Stream, NY, an average of 87.7% of students have completed 8th grade and an average of 87.0% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Sea Cliff, NY | 5,045 | 92% | 91.7% |
| Cedarhurst, NY | 6,642 | 91% | 89.6% |
| Old Westbury, NY | 4,618 | 91% | 88.5% |
| Jericho, NY | 13,928 | 90% | 87.1% |
| Old Bethpage, NY | 5,450 | 90% | 86.5% |
| Valley Stream, NY | 37,489 | 66% | 36.6% |
| City | Population | Avg. Test Scores | National Avg. |
| Spartanburg, SC | 37,448 | 40% | 17.1% |
| Park Ridge, IL | 37,431 | 57% | 17.8% |
| Navarre, FL | 37,390 | 70% | 45.6% |
| Menomonee Falls, WI | 37,611 | 60% | 25.0% |
| Carpentersville, IL | 37,618 | 21% | 56.9% |
| Valley Stream, NY | 37,489 | 66% | 36.6% |
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