| Index | Greenwood | Nebraska | National |
| Average Test Scores | n/a | 53% | 48% |
| Student/Teacher ratio | n/a | 13:1 | 16:1 |
| Total public schools | n/a | 780 | 79,221 |
| Total private schools | n/a | 182 | 24,874 |
| Total post-secondary schools | n/a | 56 | 7,963 |

| Index | Greenwood | Nebraska | National |
| Completed 8th grade | 87.8% | 88.4% | 84.3% |
| Completed high school | 87.0% | 87.2% | 83.0% |
| Completed some college | 59.6% | 63.7% | 59.4% |
| Completed associate degree | 29.0% | 40.1% | 38.5% |
| Completed bachelors | 17.8% | 30.0% | 30.3% |
| Completed masters | 1.9% | 9.9% | 11.5% |
| Completed professional degree | 0.5% | 2.9% | 3.3% |
| Completed doctorate | 0.0% | 1.2% | 1.3% |
There are a total of n/a public schools, n/a private schools and n/a post-secondary schools in Greenwood. Using the proficiency score averages, the average test scores for Greenwood, NE schools is n/a. The average student to teacher ratio is n/a. In Greenwood, NE, an average of 87.8% of students have completed 8th grade and an average of 87.0% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Elmwood, NE | 715 | 77% | 60.4% |
| Murdock, NE | 182 | 72% | 50.0% |
| Gretna, NE | 5,207 | 70% | 45.6% |
| Ceresco, NE | 1,378 | 65% | 35.4% |
| Ashland, NE | 2,910 | 60% | 25.0% |
| Greenwood, NE | 507 | n/a |
| City | Population | Avg. Test Scores | National Avg. |
| Butternut, WI | 507 | 38% | 21.9% |
| Lipan, TX | 507 | 50% | 3.1% |
| Salem, IA | 507 | 85% | 77.1% |
| Stanfield, AZ | 508 | 15% | 69.8% |
| Scotia, CA | 508 | 50% | 3.1% |
| Greenwood, NE | 507 | n/a |