| Index | Delevan | New York | National |
| Average Test Scores | 60% | 56% | 48% |
| Student/Teacher ratio | n/a | n/a | 16:1 |
| Total public schools | 1 | 4,060 | 79,221 |
| Total private schools | n/a | 1,092 | 24,874 |
| Total post-secondary schools | n/a | 483 | 7,963 |
| Index | Delevan | New York | National |
| Completed 8th grade | 79.5% | 83.5% | 84.3% |
| Completed high school | 78.1% | 82.1% | 83.0% |
| Completed some college | 40.7% | 59.5% | 59.4% |
| Completed associate degree | 24.1% | 43.4% | 38.5% |
| Completed bachelors | 9.2% | 34.7% | 30.3% |
| Completed masters | 2.0% | 15.1% | 11.5% |
| Completed professional degree | 0.0% | 4.2% | 3.3% |
| Completed doctorate | 0.0% | 1.5% | 1.3% |
There are a total of 1 public schools, n/a private schools and n/a post-secondary schools in Delevan. Using the proficiency score averages, the average test scores for Delevan, NY schools is 60%. The average student to teacher ratio is n/a. In Delevan, NY, an average of 79.5% of students have completed 8th grade and an average of 78.1% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Yorkshire, NY | 1,005 | 73% | 52.1% |
| Ellicottville, NY | 356 | 68% | 42.2% |
| Springville, NY | 4,290 | 61% | 26.0% |
| Arcade, NY | 2,074 | 60% | 24.0% |
| Holland, NY | 1,249 | 52% | 8.7% |
| Delevan, NY | 1,274 | 60% | 24.0% |
| City | Population | Avg. Test Scores | National Avg. |
| Ladoga, IN | 1,274 | 67% | 39.6% |
| Oglethorpe, GA | 1,274 | 19% | 60.4% |
| Waterford, PA | 1,273 | 69% | 43.4% |
| Bainbridge, NY | 1,273 | 55% | 15.1% |
| East Brookfield, MA | 1,273 | 60% | 24.0% |
| Delevan, NY | 1,274 | 60% | 24.0% |
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