| Index | Endwell | New York | National |
| Average Test Scores | 67% | 56% | 48% |
| Student/Teacher ratio | n/a | n/a | 16:1 |
| Total public schools | 3 | 4,060 | 79,221 |
| Total private schools | n/a | 1,092 | 24,874 |
| Total post-secondary schools | n/a | 483 | 7,963 |

| Index | Endwell | New York | National |
| Completed 8th grade | 91.7% | 83.5% | 84.3% |
| Completed high school | 91.4% | 82.1% | 83.0% |
| Completed some college | 69.8% | 59.5% | 59.4% |
| Completed associate degree | 52.0% | 43.4% | 38.5% |
| Completed bachelors | 36.3% | 34.7% | 30.3% |
| Completed masters | 14.9% | 15.1% | 11.5% |
| Completed professional degree | 3.3% | 4.2% | 3.3% |
| Completed doctorate | 1.6% | 1.5% | 1.3% |
There are a total of 3 public schools, n/a private schools and n/a post-secondary schools in Endwell. Using the proficiency score averages, the average test scores for Endwell, NY schools is 67%. The average student to teacher ratio is n/a. In Endwell, NY, an average of 91.7% of students have completed 8th grade and an average of 91.4% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Owego, NY | 4,004 | 68% | 41.0% |
| Greene, NY | 1,560 | 62% | 29.9% |
| Friendsville, PA | 120 | 62% | 29.2% |
| Whitney Point, NY | 1,096 | 58% | 21.2% |
| Johnson City, NY | 14,660 | 54% | 12.8% |
| Endwell, NY | 11,668 | 67% | 39.2% |
| City | Population | Avg. Test Scores | National Avg. |
| Show Low, AZ | 11,670 | 50% | 3.4% |
| Guthrie, OK | 11,666 | 28% | 41.8% |
| Fort Morgan, CO | 11,666 | 30% | 38.4% |
| Hudson, FL | 11,671 | 38% | 20.4% |
| Bellmawr, NJ | 11,664 | 44% | 8.7% |
| Endwell, NY | 11,668 | 67% | 39.2% |