| Index | Walnut Grove | Missouri | National |
| Average Test Scores | 48% | 44% | 48% |
| Student/Teacher ratio | n/a | 14:1 | 16:1 |
| Total public schools | n/a | 1,899 | 79,221 |
| Total private schools | n/a | 531 | 24,874 |
| Total post-secondary schools | n/a | 213 | 7,963 |
| Index | Walnut Grove | Missouri | National |
| Completed 8th grade | 78.4% | 86.0% | 84.3% |
| Completed high school | 73.9% | 84.2% | 83.0% |
| Completed some college | 35.8% | 57.7% | 59.4% |
| Completed associate degree | 18.0% | 35.2% | 38.5% |
| Completed bachelors | 12.2% | 27.6% | 30.3% |
| Completed masters | 4.5% | 10.4% | 11.5% |
| Completed professional degree | 0.5% | 2.8% | 3.3% |
| Completed doctorate | 0.5% | 1.2% | 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, MO schools is 48%. The average student to teacher ratio is n/a. In Walnut Grove, MO, an average of 78.4% of students have completed 8th grade and an average of 73.9% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Dadeville, MO | 254 | 65% | 35.4% |
| Willard, MO | 5,734 | 53% | 9.8% |
| Bolivar, MO | 11,421 | 50% | 3.8% |
| Ash Grove, MO | 1,457 | 48% | 0.5% |
| Morrisville, MO | 600 | 41% | 13.9% |
| Walnut Grove, MO | 541 | 48% | 0.5% |
| City | Population | Avg. Test Scores | National Avg. |
| Claypool, IN | 541 | 52% | 8.3% |
| Ojo Amarillo, NM | 541 | 22% | 54.2% |
| Mooringsport, LA | 541 | 60% | 24.0% |
| Marysvale, UT | 541 | 30% | 37.5% |
| Wapanucka, OK | 541 | 18% | 63.5% |
| Walnut Grove, MO | 541 | 48% | 0.5% |
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