| Index | Greenville | Missouri | National |
| Average Test Scores | 37% | 44% | 48% |
| Student/Teacher ratio | n/a | 14:1 | 16:1 |
| Total public schools | n/a | 1,899 | 79,221 |
| Total private schools | n/a | 531 | 24,874 |
| Total post-secondary schools | n/a | 213 | 7,963 |
| Index | Greenville | Missouri | National |
| Completed 8th grade | 76.6% | 86.0% | 84.3% |
| Completed high school | 72.6% | 84.2% | 83.0% |
| Completed some college | 43.8% | 57.7% | 59.4% |
| Completed associate degree | 13.6% | 35.2% | 38.5% |
| Completed bachelors | 11.0% | 27.6% | 30.3% |
| Completed masters | 5.1% | 10.4% | 11.5% |
| Completed professional degree | 0.0% | 2.8% | 3.3% |
| Completed doctorate | 0.0% | 1.2% | 1.3% |
There are a total of n/a public schools, n/a private schools and n/a post-secondary schools in Greenville. Using the proficiency score averages, the average test scores for Greenville, MO schools is 37%. The average student to teacher ratio is n/a. In Greenville, MO, an average of 76.6% of students have completed 8th grade and an average of 72.6% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Williamsville, MO | 336 | 50% | 4.2% |
| Piedmont, MO | 3,550 | 38% | 20.8% |
| Greenville, MO | 519 | 37% | 22.9% |
| City | Population | Avg. Test Scores | National Avg. |
| Flagler, CO | 519 | 30% | 38.5% |
| Walland, TN | 519 | 25% | 49.0% |
| Elnora, IN | 519 | 53% | 9.4% |
| Matagorda, TX | 519 | 32% | 33.3% |
| Jay, FL | 520 | 67% | 39.9% |
| Greenville, MO | 519 | 37% | 22.9% |
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