| Index | Greenville | California | National |
| Average Test Scores | 24% | 43% | 48% |
| Student/Teacher ratio | 13:1 | 20:1 | 16:1 |
| Total public schools | 3 | 8,308 | 79,221 |
| Total private schools | n/a | 3,438 | 24,874 |
| Total post-secondary schools | n/a | 1,085 | 7,963 |
| Index | Greenville | California | National |
| Completed 8th grade | 82.5% | 81.1% | 84.3% |
| Completed high school | 77.6% | 79.8% | 83.0% |
| Completed some college | 50.2% | 61.5% | 59.4% |
| Completed associate degree | 6.6% | 39.8% | 38.5% |
| Completed bachelors | 5.6% | 32.0% | 30.3% |
| Completed masters | 4.3% | 11.9% | 11.5% |
| Completed professional degree | 0.0% | 3.9% | 3.3% |
| Completed doctorate | 0.0% | 1.6% | 1.3% |
There are a total of 3 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, CA schools is 24%. The average student to teacher ratio is 13:1. In Greenville, CA, an average of 82.5% of students have completed 8th grade and an average of 77.6% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Quincy, CA | 1,706 | 42% | 13.3% |
| Westwood, CA | 1,387 | 40% | 16.7% |
| Greenville, CA | 785 | 24% | 50.5% |
| City | Population | Avg. Test Scores | National Avg. |
| Jewett, TX | 785 | 48% | 1.0% |
| St. Ignatius, MT | 785 | 29% | 39.9% |
| Aynor, SC | 785 | 64% | 32.6% |
| Minersville, UT | 785 | 55% | 14.1% |
| Ubly, MI | 785 | 46% | 4.7% |
| Greenville, CA | 785 | 24% | 50.5% |
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