| Index | Erwin | Tennessee | National |
| Average Test Scores | 34% | 35% | 48% |
| Student/Teacher ratio | n/a | n/a | 16:1 |
| Total public schools | 5 | 1,390 | 79,221 |
| Total private schools | n/a | 430 | 24,874 |
| Total post-secondary schools | n/a | 189 | 7,963 |
| Index | Erwin | Tennessee | National |
| Completed 8th grade | 77.9% | 82.0% | 84.3% |
| Completed high school | 73.3% | 79.9% | 83.0% |
| Completed some college | 42.6% | 53.2% | 59.4% |
| Completed associate degree | 22.4% | 32.2% | 38.5% |
| Completed bachelors | 13.5% | 25.4% | 30.3% |
| Completed masters | 5.1% | 9.3% | 11.5% |
| Completed professional degree | 1.7% | 2.8% | 3.3% |
| Completed doctorate | 0.8% | 1.2% | 1.3% |
There are a total of 5 public schools, n/a private schools and n/a post-secondary schools in Erwin. Using the proficiency score averages, the average test scores for Erwin, TN schools is 34%. The average student to teacher ratio is n/a. In Erwin, TN, an average of 77.9% of students have completed 8th grade and an average of 73.3% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Johnson City, TN | 66,934 | 52% | 8.9% |
| Jonesborough, TN | 5,539 | 43% | 10.4% |
| Telford, TN | 990 | 41% | 15.6% |
| Bakersville, NC | 706 | 39% | 18.8% |
| Elizabethton, TN | 13,568 | 38% | 21.0% |
| Erwin, TN | 5,910 | 34% | 29.8% |
| City | Population | Avg. Test Scores | National Avg. |
| Hampshire, IL | 5,909 | 44% | 8.1% |
| Progreso, TX | 5,908 | 35% | 28.1% |
| Scituate, MA | 5,905 | 74% | 54.9% |
| Waupaca, WI | 5,916 | 50% | 4.9% |
| Sherwood Manor, CT | 5,901 | 47% | 3.1% |
| Erwin, TN | 5,910 | 34% | 29.8% |
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