| Index | Greenback | Tennessee | National |
| Average Test Scores | 39% | 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 | Greenback | Tennessee | National |
| Completed 8th grade | 74.1% | 82.0% | 84.3% |
| Completed high school | 73.2% | 79.9% | 83.0% |
| Completed some college | 41.8% | 53.2% | 59.4% |
| Completed associate degree | 18.4% | 32.2% | 38.5% |
| Completed bachelors | 9.4% | 25.4% | 30.3% |
| Completed masters | 2.4% | 9.3% | 11.5% |
| Completed professional degree | 1.2% | 2.8% | 3.3% |
| Completed doctorate | 0.8% | 1.2% | 1.3% |
There are a total of n/a public schools, n/a private schools and n/a post-secondary schools in Greenback. Using the proficiency score averages, the average test scores for Greenback, TN schools is 39%. The average student to teacher ratio is n/a. In Greenback, TN, an average of 74.1% of students have completed 8th grade and an average of 73.2% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Lenoir City, TN | 9,191 | 48% | 0.2% |
| Philadelphia, TN | 808 | 43% | 11.5% |
| Maryville, TN | 29,325 | 42% | 12.2% |
| Louisville, TN | 4,151 | 42% | 12.5% |
| Alcoa, TN | 9,809 | 40% | 16.0% |
| Greenback, TN | 1,233 | 39% | 18.8% |
| City | Population | Avg. Test Scores | National Avg. |
| Pirtleville, AZ | 1,233 | 40% | 17.7% |
| Greenup, KY | 1,233 | 41% | 15.1% |
| Clark, SD | 1,233 | 42% | 11.7% |
| Adrian, MN | 1,233 | 57% | 19.1% |
| Upton, WY | 1,232 | 45% | 6.3% |
| Greenback, TN | 1,233 | 39% | 18.8% |
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