| Index | Guilford | Maine | National |
| Average Test Scores | 36% | 45% | 48% |
| Student/Teacher ratio | n/a | 14:1 | 16:1 |
| Total public schools | n/a | 345 | 79,221 |
| Total private schools | n/a | 89 | 24,874 |
| Total post-secondary schools | n/a | 45 | 7,963 |
| Index | Guilford | Maine | National |
| Completed 8th grade | 86.2% | 88.3% | 84.3% |
| Completed high school | 85.2% | 86.8% | 83.0% |
| Completed some college | 45.2% | 58.8% | 59.4% |
| Completed associate degree | 18.7% | 39.0% | 38.5% |
| Completed bachelors | 6.3% | 29.3% | 30.3% |
| Completed masters | 1.4% | 10.5% | 11.5% |
| Completed professional degree | 0.0% | 3.0% | 3.3% |
| Completed doctorate | 0.0% | 1.3% | 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, ME schools is 36%. The average student to teacher ratio is n/a. In Guilford, ME, an average of 86.2% of students have completed 8th grade and an average of 85.2% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Dover-Foxcroft, ME | 2,512 | 42% | 13.5% |
| Dexter, ME | 1,981 | 29% | 40.6% |
| Guilford, ME | 494 | 36% | 24.5% |
| City | Population | Avg. Test Scores | National Avg. |
| Centertown, KY | 494 | 40% | 17.7% |
| Bell City, MO | 494 | 52% | 8.3% |
| Fleming-Neon, KY | 494 | 57% | 18.8% |
| Warrens, WI | 493 | 40% | 17.7% |
| Nevis, MN | 493 | 63% | 31.8% |
| Guilford, ME | 494 | 36% | 24.5% |
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