| Index | Guilford | 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 | Guilford | New York | National |
| Completed 8th grade | 71.0% | 83.5% | 84.3% |
| Completed high school | 71.0% | 82.1% | 83.0% |
| Completed some college | 46.7% | 59.5% | 59.4% |
| Completed associate degree | 16.6% | 43.4% | 38.5% |
| Completed bachelors | 3.5% | 34.7% | 30.3% |
| Completed masters | 0.0% | 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 n/a public schools, n/a private schools and n/a post-secondary schools in Guilford. Using the proficiency score averages, the average test scores for Guilford, NY schools is n/a. The average student to teacher ratio is n/a. In Guilford, NY, an average of 71.0% of students have completed 8th grade and an average of 71.0% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Greene, NY | 1,502 | 62% | 29.9% |
| Oxford, NY | 1,422 | 57% | 17.7% |
| Norwich, NY | 6,629 | 56% | 16.7% |
| Bainbridge, NY | 1,273 | 55% | 15.1% |
| Sidney, NY | 3,668 | 54% | 12.8% |
| Guilford, NY | 204 | n/a |
| City | Population | Avg. Test Scores | National Avg. |
| Lynch, NE | 204 | 50% | 4.2% |
| Cody, NE | 204 | 55% | 14.6% |
| Rockholds, KY | 204 | 65% | 34.4% |
| Keller, WA | 204 | 30% | 37.5% |
| Carmine, TX | 204 | 55% | 14.6% |
| Guilford, NY | 204 | n/a |
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