| Index | Walnut Grove | Minnesota | National |
| Average Test Scores | 60% | 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 | Walnut Grove | Minnesota | National |
| Completed 8th grade | 70.0% | 90.5% | 84.3% |
| Completed high school | 68.3% | 89.5% | 83.0% |
| Completed some college | 30.2% | 66.9% | 59.4% |
| Completed associate degree | 12.3% | 45.2% | 38.5% |
| Completed bachelors | 8.9% | 34.2% | 30.3% |
| Completed masters | 2.1% | 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 Walnut Grove. Using the proficiency score averages, the average test scores for Walnut Grove, MN schools is 60%. The average student to teacher ratio is n/a. In Walnut Grove, MN, an average of 70.0% of students have completed 8th grade and an average of 68.3% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Lamberton, MN | 831 | 65% | 34.9% |
| Tracy, MN | 2,180 | 60% | 24.0% |
| Wabasso, MN | 738 | 58% | 21.4% |
| Milroy, MN | 188 | 50% | 4.2% |
| Westbrook, MN | 900 | 47% | 2.1% |
| Walnut Grove, MN | 719 | 60% | 24.0% |
| City | Population | Avg. Test Scores | National Avg. |
| Pray, MT | 719 | 45% | 6.3% |
| Alex, OK | 719 | 47% | 1.6% |
| Minneola, KS | 719 | 37% | 22.4% |
| Butler, KY | 720 | 47% | 1.6% |
| Pateros, WA | 718 | 52% | 8.3% |
| Walnut Grove, MN | 719 | 60% | 24.0% |
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