| Index | Walnut Grove | Washington | National |
| Average Test Scores | n/a | 54% | 48% |
| Student/Teacher ratio | n/a | 20:1 | 16:1 |
| Total public schools | n/a | 1,991 | 79,221 |
| Total private schools | n/a | 548 | 24,874 |
| Total post-secondary schools | n/a | 147 | 7,963 |
| Index | Walnut Grove | Washington | National |
| Completed 8th grade | 89.0% | 87.5% | 84.3% |
| Completed high school | 88.5% | 86.6% | 83.0% |
| Completed some college | 62.4% | 67.7% | 59.4% |
| Completed associate degree | 33.1% | 43.3% | 38.5% |
| Completed bachelors | 21.2% | 33.6% | 30.3% |
| Completed masters | 7.7% | 12.3% | 11.5% |
| Completed professional degree | 1.7% | 3.6% | 3.3% |
| Completed doctorate | 0.6% | 1.5% | 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, WA schools is n/a. The average student to teacher ratio is n/a. In Walnut Grove, WA, an average of 89.0% of students have completed 8th grade and an average of 88.5% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Camas, WA | 24,043 | 72% | 49.6% |
| Ridgefield, WA | 8,751 | 68% | 41.5% |
| Washougal, WA | 15,927 | 58% | 20.1% |
| Yacolt, WA | 1,686 | 57% | 18.8% |
| La Center, WA | 3,338 | 57% | 18.2% |
| Walnut Grove, WA | 9,324 | n/a |
| City | Population | Avg. Test Scores | National Avg. |
| Hondo, TX | 9,321 | 41% | 13.9% |
| Sellersburg, IN | 9,320 | 51% | 6.5% |
| Bohemia, NY | 9,329 | 64% | 32.6% |
| Flossmoor, IL | 9,318 | 45% | 7.3% |
| Hartland, WI | 9,317 | 69% | 44.0% |
| Walnut Grove, WA | 9,324 | n/a |
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