| Index | Greenwald | Minnesota | National |
| Average Test Scores | n/a | 52% | 48% |
| Student/Teacher ratio | n/a | 16:1 | 16:1 |
| Total public schools | n/a | 2,224 | 79,221 |
| Total private schools | n/a | 477 | 24,874 |
| Total post-secondary schools | n/a | 140 | 7,963 |

| Index | Greenwald | Minnesota | National |
| Completed 8th grade | 95.7% | 90.5% | 84.3% |
| Completed high school | 90.3% | 89.5% | 83.0% |
| Completed some college | 34.1% | 66.9% | 59.4% |
| Completed associate degree | 14.1% | 45.2% | 38.5% |
| Completed bachelors | 4.3% | 34.2% | 30.3% |
| Completed masters | 1.1% | 11.5% | 11.5% |
| Completed professional degree | 0.0% | 3.5% | 3.3% |
| Completed doctorate | 0.0% | 1.4% | 1.3% |
There are a total of n/a public schools, n/a private schools and n/a post-secondary schools in Greenwald. Using the proficiency score averages, the average test scores for Greenwald, MN schools is n/a. The average student to teacher ratio is n/a. In Greenwald, MN, an average of 95.7% of students have completed 8th grade and an average of 90.3% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Albany, MN | 2,803 | 70% | 45.1% |
| Belgrade, MN | 1,063 | 62% | 29.2% |
| Sauk Centre, MN | 4,631 | 58% | 20.1% |
| Brooten, MN | 612 | 57% | 18.8% |
| Melrose, MN | 3,794 | 56% | 16.4% |
| Greenwald, MN | 231 | n/a |
| City | Population | Avg. Test Scores | National Avg. |
| Rudyard, MT | 231 | 47% | 2.8% |
| Wilsall, MT | 232 | 62% | 29.2% |
| Edinburg, ND | 230 | 50% | 4.2% |
| Twin Bridges, MT | 232 | 53% | 11.1% |
| Hodges, SC | 232 | 50% | 3.1% |
| Greenwald, MN | 231 | n/a |