| 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 | 2,735 | 70% | 45.1% |
| Belgrade, MN | 1,027 | 62% | 29.2% |
| Sauk Centre, MN | 4,466 | 58% | 20.1% |
| Brooten, MN | 598 | 57% | 18.8% |
| Melrose, MN | 3,651 | 56% | 16.4% |
| Greenwald, MN | 224 | n/a |
| City | Population | Avg. Test Scores | National Avg. |
| Hysham, MT | 224 | 50% | 4.2% |
| Gainesville, NY | 224 | 61% | 26.0% |
| Rudyard, MT | 224 | 47% | 2.8% |
| Ewing, KY | 224 | 57% | 18.8% |
| Dutton, MT | 224 | 48% | 1.0% |
| Greenwald, MN | 224 | n/a |
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