| Index | Greenville | New York | National |
| Average Test Scores | 50% | 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 | Greenville | New York | National |
| Completed 8th grade | 96.1% | 83.5% | 84.3% |
| Completed high school | 95.9% | 82.1% | 83.0% |
| Completed some college | 90.5% | 59.5% | 59.4% |
| Completed associate degree | 85.7% | 43.4% | 38.5% |
| Completed bachelors | 81.8% | 34.7% | 30.3% |
| Completed masters | 56.1% | 15.1% | 11.5% |
| Completed professional degree | 29.9% | 4.2% | 3.3% |
| Completed doctorate | 8.8% | 1.5% | 1.3% |
There are a total of n/a public schools, n/a private schools and n/a post-secondary schools in Greenville. Using the proficiency score averages, the average test scores for Greenville, NY schools is 50%. The average student to teacher ratio is n/a. In Greenville, NY, an average of 96.1% of students have completed 8th grade and an average of 95.9% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Orangeburg, NY | 4,454 | 98% | 103.1% |
| Teterboro, NJ | 110 | 95% | 96.9% |
| Sea Cliff, NY | 5,045 | 92% | 91.7% |
| Old Westbury, NY | 4,618 | 91% | 88.5% |
| Jericho, NY | 13,928 | 90% | 87.1% |
| Greenville, NY | 9,155 | 50% | 4.9% |
| City | Population | Avg. Test Scores | National Avg. |
| Calimesa, CA | 9,156 | 41% | 15.6% |
| Anaconda-Deer Lodge County, MT | 9,153 | 32% | 32.6% |
| Incline Village, NV | 9,160 | 47% | 2.1% |
| Lake Mohawk, NJ | 9,148 | 70% | 45.8% |
| Canal Winchester, OH | 9,148 | 66% | 38.2% |
| Greenville, NY | 9,155 | 50% | 4.9% |
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