| Index | Greenville | Texas | National |
| Average Test Scores | 36% | 47% | 48% |
| Student/Teacher ratio | 14:1 | 14:1 | 16:1 |
| Total public schools | 15 | 7,418 | 79,221 |
| Total private schools | 3 | 1,267 | 24,874 |
| Total post-secondary schools | 1 | 463 | 7,963 |
| Index | Greenville | Texas | National |
| Completed 8th grade | 78.0% | 79.3% | 84.3% |
| Completed high school | 75.7% | 77.8% | 83.0% |
| Completed some college | 47.8% | 57.3% | 59.4% |
| Completed associate degree | 24.6% | 34.9% | 38.5% |
| Completed bachelors | 17.8% | 28.1% | 30.3% |
| Completed masters | 7.1% | 9.6% | 11.5% |
| Completed professional degree | 1.9% | 2.6% | 3.3% |
| Completed doctorate | 1.0% | 1.1% | 1.3% |
There are a total of 15 public schools, 3 private schools and 1 post-secondary schools in Greenville. Using the proficiency score averages, the average test scores for Greenville, TX schools is 36%. The average student to teacher ratio is 14:1. In Greenville, TX, an average of 78.0% of students have completed 8th grade and an average of 75.7% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Caddo Mills, TX | 1,666 | 64% | 33.3% |
| Farmersville, TX | 3,560 | 54% | 12.5% |
| Celeste, TX | 1,124 | 52% | 8.5% |
| Lone Oak, TX | 631 | 49% | 2.1% |
| Royse City, TX | 13,773 | 48% | 0.3% |
| Greenville, TX | 28,088 | 36% | 24.5% |
| City | Population | Avg. Test Scores | National Avg. |
| Burlington, MA | 28,077 | 62% | 29.9% |
| Immokalee, FL | 28,060 | 41% | 15.3% |
| Independence, KY | 28,119 | 61% | 27.4% |
| Hobart, IN | 28,120 | 44% | 9.4% |
| Saratoga Springs, NY | 28,056 | 73% | 52.5% |
| Greenville, TX | 28,088 | 36% | 24.5% |
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