| Index | Greenville | New Hampshire | National |
| Average Test Scores | n/a | 52% | 48% |
| Student/Teacher ratio | 11:1 | 13:1 | 16:1 |
| Total public schools | 1 | 234 | 79,221 |
| Total private schools | 1 | 144 | 24,874 |
| Total post-secondary schools | n/a | 40 | 7,963 |
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| Index | Greenville | New Hampshire | National |
| Completed 8th grade | 82.9% | 89.5% | 84.3% |
| Completed high school | 78.7% | 88.4% | 83.0% |
| Completed some college | 48.5% | 64.2% | 59.4% |
| Completed associate degree | 22.7% | 45.3% | 38.5% |
| Completed bachelors | 14.3% | 35.5% | 30.3% |
| Completed masters | 4.9% | 13.4% | 11.5% |
| Completed professional degree | 0.8% | 3.3% | 3.3% |
| Completed doctorate | 0.0% | 1.4% | 1.3% |
There are a total of 1 public schools, 1 private schools and n/a post-secondary schools in Greenville. Using the proficiency score averages, the average test scores for Greenville, NH schools is n/a. The average student to teacher ratio is 11:1. In Greenville, NH, an average of 82.9% of students have completed 8th grade and an average of 78.7% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Groton, MA | 1,127 | 75% | 55.6% |
| Amherst, NH | 656 | 67% | 38.9% |
| Pepperell, MA | 2,685 | 61% | 26.6% |
| Ayer, MA | 2,551 | 60% | 25.5% |
| Lunenburg, MA | 1,593 | 59% | 23.3% |
| Greenville, NH | 1,011 | n/a |
| City | Population | Avg. Test Scores | National Avg. |
| Enderlin, ND | 1,011 | 41% | 15.1% |
| George, IA | 1,011 | 78% | 61.5% |
| Weeping Water, NE | 1,011 | 46% | 4.7% |
| Scio, OR | 1,012 | 45% | 6.8% |
| Linton, ND | 1,010 | 57% | 19.3% |
| Greenville, NH | 1,011 | n/a |
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