| Index | Erin | Tennessee | National |
| Average Test Scores | 57% | 52% | 49% |
| Student/Teacher ratio | n/a | n/a | 16:1 |
| Total public schools | 4 | 1,390 | 79,235 |
| Total private schools | n/a | 430 | 24,875 |
| Total post-secondary schools | n/a | 189 | 7,965 |
| Index | Erin | Tennessee | National |
| Completed 8th grade | 76.0% | 81.2% | 83.8% |
| Completed high school | 72.9% | 78.8% | 82.4% |
| Completed some college | 39.7% | 51.9% | 58.4% |
| Completed associate degree | 21.9% | 30.8% | 37.2% |
| Completed bachelors | 14.4% | 24.4% | 29.3% |
| Completed masters | 5.2% | 8.8% | 11.0% |
| Completed professional degree | 0.5% | 2.7% | 3.2% |
| Completed doctorate | 0.5% | 1.2% | 1.3% |
| City, State | Population | Avg. Test Scores | National Avg. |
| Dover, TN | 1,696 | 65% | 33% |
| McEwen, TN | 1,823 | 53% | 8% |
| Vanleer, TN | 387 | 52% | 6% |
| Tennessee Ridge, TN | 1,278 | 42% | 15% |
| Erin, TN | 1,451 | 57% | 16% |
| City, State | Population | Avg. Test Scores | National Avg. |
| Pirtleville, AZ | 1,451 | 20% | 60% |
| Crested Butte, CO | 1,451 | 49% | 1% |
| Troy, TN | 1,451 | 64% | 30% |
| Random Lake, WI | 1,451 | 52% | 6% |
| Paxtang, PA | 1,450 | 50% | 1% |
| Erin, TN | 1,451 | 57% | 16% |