| Index | Greenville | Delaware | National |
| Average Test Scores | 20% | 44% | 48% |
| Student/Teacher ratio | 16:1 | 16:1 | 16:1 |
| Total public schools | 1 | 191 | 79,221 |
| Total private schools | n/a | 129 | 24,874 |
| Total post-secondary schools | n/a | 20 | 7,963 |
| Index | Greenville | Delaware | National |
| Completed 8th grade | 95.7% | 86.3% | 84.3% |
| Completed high school | 95.7% | 85.3% | 83.0% |
| Completed some college | 88.3% | 57.7% | 59.4% |
| Completed associate degree | 77.0% | 38.2% | 38.5% |
| Completed bachelors | 74.3% | 30.5% | 30.3% |
| Completed masters | 40.2% | 12.4% | 11.5% |
| Completed professional degree | 20.0% | 3.5% | 3.3% |
| Completed doctorate | 7.5% | 1.7% | 1.3% |
There are a total of 1 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, DE schools is 20%. The average student to teacher ratio is 16:1. In Greenville, DE, an average of 95.7% of students have completed 8th grade and an average of 95.7% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Media, PA | 5,658 | 78% | 61.6% |
| Village Green-Green Ridge, PA | 8,661 | 77% | 60.4% |
| Broomall, PA | 10,608 | 76% | 59.1% |
| Kennett Square, PA | 6,182 | 75% | 57.1% |
| West Chester, PA | 20,033 | 74% | 54.7% |
| Greenville, DE | 2,448 | 20% | 59.4% |
| City | Population | Avg. Test Scores | National Avg. |
| Koloa, HI | 2,448 | 56% | 16.7% |
| Hazen, ND | 2,448 | 53% | 10.4% |
| Eglin AFB, FL | 2,448 | 72% | 50.0% |
| York, AL | 2,448 | 18% | 62.0% |
| Aberdeen, ID | 2,449 | 38% | 20.8% |
| Greenville, DE | 2,448 | 20% | 59.4% |
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