| Index | Decherd | Tennessee | National |
| Average Test Scores | 17% | 35% | 48% |
| Student/Teacher ratio | n/a | n/a | 16:1 |
| Total public schools | 1 | 1,390 | 79,221 |
| Total private schools | 1 | 430 | 24,874 |
| Total post-secondary schools | n/a | 189 | 7,963 |
| Index | Decherd | Tennessee | National |
| Completed 8th grade | 77.5% | 82.0% | 84.3% |
| Completed high school | 74.0% | 79.9% | 83.0% |
| Completed some college | 35.3% | 53.2% | 59.4% |
| Completed associate degree | 12.0% | 32.2% | 38.5% |
| Completed bachelors | 8.8% | 25.4% | 30.3% |
| Completed masters | 2.7% | 9.3% | 11.5% |
| Completed professional degree | 0.9% | 2.8% | 3.3% |
| Completed doctorate | 0.7% | 1.2% | 1.3% |
There are a total of 1 public schools, 1 private schools and n/a post-secondary schools in Decherd. Using the proficiency score averages, the average test scores for Decherd, TN schools is 17%. The average student to teacher ratio is n/a. In Decherd, TN, an average of 77.5% of students have completed 8th grade and an average of 74.0% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Sewanee, TN | 2,625 | 57% | 18.8% |
| Hillsboro, TN | 338 | 45% | 7.3% |
| Estill Springs, TN | 2,063 | 32% | 33.3% |
| Winchester, TN | 8,818 | 32% | 34.1% |
| Tullahoma, TN | 19,982 | 30% | 37.6% |
| Decherd, TN | 2,862 | 17% | 64.6% |
| City | Population | Avg. Test Scores | National Avg. |
| Coalfield, TN | 2,861 | 21% | 56.3% |
| New Madrid, MO | 2,863 | 37% | 22.9% |
| Ithaca, MI | 2,864 | 47% | 1.6% |
| Cold Spring Harbor, NY | 2,864 | 87% | 81.3% |
| Akron, NY | 2,860 | 70% | 45.8% |
| Decherd, TN | 2,862 | 17% | 64.6% |
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