| Index | South Valley Stream | 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 | South Valley Stream | New York | National |
| Completed 8th grade | 90.2% | 83.5% | 84.3% |
| Completed high school | 90.2% | 82.1% | 83.0% |
| Completed some college | 73.7% | 59.5% | 59.4% |
| Completed associate degree | 59.7% | 43.4% | 38.5% |
| Completed bachelors | 54.3% | 34.7% | 30.3% |
| Completed masters | 25.3% | 15.1% | 11.5% |
| Completed professional degree | 7.6% | 4.2% | 3.3% |
| Completed doctorate | 1.4% | 1.5% | 1.3% |
There are a total of n/a public schools, n/a private schools and n/a post-secondary schools in South Valley Stream. Using the proficiency score averages, the average test scores for South Valley Stream, NY schools is n/a. The average student to teacher ratio is n/a. In South Valley Stream, NY, an average of 90.2% of students have completed 8th grade and an average of 90.2% 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% |
| South Valley Stream, NY | 6,519 | n/a |
| City | Population | Avg. Test Scores | National Avg. |
| Lawrence, NY | 6,517 | 40% | 16.7% |
| Boonville, IN | 6,512 | 56% | 15.9% |
| Cumming, GA | 6,528 | 72% | 49.9% |
| East Rochester, NY | 6,530 | 55% | 13.5% |
| Purcell, OK | 6,508 | 33% | 30.6% |
| South Valley Stream, NY | 6,519 | n/a |
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