| Index | Greenbush | Virginia | National |
| Average Test Scores | n/a | 79% | 48% |
| Student/Teacher ratio | n/a | 13:1 | 16:1 |
| Total public schools | n/a | 1,596 | 79,221 |
| Total private schools | n/a | 553 | 24,874 |
| Total post-secondary schools | n/a | 199 | 7,963 |
| Index | Greenbush | Virginia | National |
| Completed 8th grade | 68.6% | 85.9% | 84.3% |
| Completed high school | 68.6% | 84.7% | 83.0% |
| Completed some college | 33.3% | 64.1% | 59.4% |
| Completed associate degree | 33.3% | 44.2% | 38.5% |
| Completed bachelors | 28.1% | 36.9% | 30.3% |
| Completed masters | 5.9% | 15.7% | 11.5% |
| Completed professional degree | 0.0% | 4.2% | 3.3% |
| Completed doctorate | 0.0% | 1.7% | 1.3% |
There are a total of n/a public schools, n/a private schools and n/a post-secondary schools in Greenbush. Using the proficiency score averages, the average test scores for Greenbush, VA schools is n/a. The average student to teacher ratio is n/a. In Greenbush, VA, an average of 68.6% of students have completed 8th grade and an average of 68.6% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Onley, VA | 765 | 81% | 68.2% |
| Oak Hall, VA | 72 | 78% | 62.0% |
| Melfa, VA | 453 | 75% | 55.2% |
| Accomac, VA | 874 | 72% | 49.0% |
| Exmore, VA | 1,552 | 69% | 43.8% |
| Greenbush, VA | 65 | n/a |
| City | Population | Avg. Test Scores | National Avg. |
| Halsey, NE | 65 | 50% | 4.2% |
| Orrum, NC | 66 | 16% | 66.7% |
| McKinnon, WY | 66 | 50% | 4.2% |
| Port Heiden, AK | 64 | 50% | 4.2% |
| Solway, MN | 64 | 40% | 16.7% |
| Greenbush, VA | 65 | n/a |
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