| Index | Greenville | Ohio | National |
| Average Test Scores | 59% | 61% | 48% |
| Student/Teacher ratio | 16:1 | 17:1 | 16:1 |
| Total public schools | 6 | 3,650 | 79,221 |
| Total private schools | 2 | 1,000 | 24,874 |
| Total post-secondary schools | n/a | 393 | 7,963 |
| Index | Greenville | Ohio | National |
| Completed 8th grade | 83.4% | 86.9% | 84.3% |
| Completed high school | 81.2% | 85.6% | 83.0% |
| Completed some college | 39.6% | 55.7% | 59.4% |
| Completed associate degree | 18.8% | 35.1% | 38.5% |
| Completed bachelors | 11.7% | 26.7% | 30.3% |
| Completed masters | 3.8% | 10.0% | 11.5% |
| Completed professional degree | 0.6% | 2.7% | 3.3% |
| Completed doctorate | 0.3% | 1.1% | 1.3% |
There are a total of 6 public schools, 2 private schools and n/a post-secondary schools in Greenville. Using the proficiency score averages, the average test scores for Greenville, OH schools is 59%. The average student to teacher ratio is 16:1. In Greenville, OH, an average of 83.4% of students have completed 8th grade and an average of 81.2% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Russia, OH | 756 | 92% | 92.2% |
| Versailles, OH | 2,793 | 88% | 83.3% |
| Ansonia, OH | 1,126 | 81% | 68.1% |
| Pleasant Hill, OH | 1,495 | 80% | 65.6% |
| New Madison, OH | 1,086 | 77% | 60.4% |
| Greenville, OH | 12,743 | 59% | 22.9% |
| City | Population | Avg. Test Scores | National Avg. |
| Panama City Beach, FL | 12,747 | 64% | 32.9% |
| Clarkston, GA | 12,747 | 21% | 57.3% |
| Franklin Park, NJ | 12,738 | 48% | 0.5% |
| Commerce, CA | 12,738 | 34% | 28.5% |
| Gaffney, SC | 12,733 | 38% | 20.5% |
| Greenville, OH | 12,743 | 59% | 22.9% |
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