| Index | Greenwich | New York | National |
| Average Test Scores | 62% | 56% | 48% |
| Student/Teacher ratio | n/a | n/a | 16:1 |
| Total public schools | 2 | 4,060 | 79,221 |
| Total private schools | 1 | 1,092 | 24,874 |
| Total post-secondary schools | n/a | 483 | 7,963 |
| Index | Greenwich | New York | National |
| Completed 8th grade | 91.0% | 83.5% | 84.3% |
| Completed high school | 90.1% | 82.1% | 83.0% |
| Completed some college | 61.8% | 59.5% | 59.4% |
| Completed associate degree | 41.2% | 43.4% | 38.5% |
| Completed bachelors | 29.6% | 34.7% | 30.3% |
| Completed masters | 11.6% | 15.1% | 11.5% |
| Completed professional degree | 1.9% | 4.2% | 3.3% |
| Completed doctorate | 0.5% | 1.5% | 1.3% |
There are a total of 2 public schools, 1 private schools and n/a post-secondary schools in Greenwich. Using the proficiency score averages, the average test scores for Greenwich, NY schools is 62%. The average student to teacher ratio is n/a. In Greenwich, NY, an average of 91.0% of students have completed 8th grade and an average of 90.1% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Saratoga Springs, NY | 28,056 | 73% | 52.5% |
| Schuylerville, NY | 1,408 | 68% | 42.0% |
| Stillwater, NY | 1,959 | 64% | 32.8% |
| Cambridge, NY | 2,274 | 60% | 25.5% |
| Mechanicville, NY | 5,077 | 57% | 18.2% |
| Greenwich, NY | 2,083 | 62% | 28.6% |
| City | Population | Avg. Test Scores | National Avg. |
| Blossburg, PA | 2,083 | 32% | 33.3% |
| Malone, FL | 2,084 | 65% | 34.4% |
| Bellevue, IA | 2,082 | 75% | 55.2% |
| Watervliet, MI | 2,082 | 37% | 22.7% |
| McCamey, TX | 2,084 | 38% | 21.9% |
| Greenwich, NY | 2,083 | 62% | 28.6% |
Here are the best places to live in New York
See the best places to live in Greenwich
These are the 10 cheapest cities in New York
Safest Cities In The US