| Index | Walnut Grove | Tennessee | National |
| Average Test Scores | n/a | 35% | 48% |
| Student/Teacher ratio | n/a | n/a | 16:1 |
| Total public schools | n/a | 1,390 | 79,221 |
| Total private schools | n/a | 430 | 24,874 |
| Total post-secondary schools | n/a | 189 | 7,963 |

| Index | Walnut Grove | Tennessee | National |
| Completed 8th grade | 79.6% | 82.0% | 84.3% |
| Completed high school | 75.2% | 79.9% | 83.0% |
| Completed some college | 29.9% | 53.2% | 59.4% |
| Completed associate degree | 12.3% | 32.2% | 38.5% |
| Completed bachelors | 3.1% | 25.4% | 30.3% |
| Completed masters | 0.0% | 9.3% | 11.5% |
| Completed professional degree | 0.0% | 2.8% | 3.3% |
| Completed doctorate | 0.0% | 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, TN schools is n/a. The average student to teacher ratio is n/a. In Walnut Grove, TN, an average of 79.6% of students have completed 8th grade and an average of 75.2% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Guthrie, KY | 1,350 | 61% | 26.0% |
| Adairville, KY | 892 | 54% | 12.5% |
| Clarksville, TN | 160,664 | 44% | 7.4% |
| Pleasant View, TN | 4,781 | 37% | 22.2% |
| Cedar Hill, TN | 276 | 29% | 39.6% |
| Walnut Grove, TN | 966 | n/a |
| City | Population | Avg. Test Scores | National Avg. |
| Brownsville, KY | 966 | 54% | 11.5% |
| Lake View, IA | 966 | 80% | 66.7% |
| Humphrey, NE | 966 | 57% | 19.3% |
| Waverly, MO | 967 | 40% | 17.7% |
| Wittenberg, WI | 967 | 31% | 35.4% |
| Walnut Grove, TN | 966 | n/a |