| Index | Union City | Tennessee | National |
| Average Test Scores | 34% | 35% | 48% |
| Student/Teacher ratio | n/a | n/a | 16:1 |
| Total public schools | 6 | 1,390 | 79,221 |
| Total private schools | n/a | 430 | 24,874 |
| Total post-secondary schools | n/a | 189 | 7,963 |
| Index | Union City | Tennessee | National |
| Completed 8th grade | 76.9% | 82.0% | 84.3% |
| Completed high school | 73.9% | 79.9% | 83.0% |
| Completed some college | 43.2% | 53.2% | 59.4% |
| Completed associate degree | 21.3% | 32.2% | 38.5% |
| Completed bachelors | 19.1% | 25.4% | 30.3% |
| Completed masters | 8.9% | 9.3% | 11.5% |
| Completed professional degree | 2.1% | 2.8% | 3.3% |
| Completed doctorate | 0.4% | 1.2% | 1.3% |
There are a total of 6 public schools, n/a private schools and n/a post-secondary schools in Union City. Using the proficiency score averages, the average test scores for Union City, TN schools is 34%. The average student to teacher ratio is n/a. In Union City, TN, an average of 76.9% of students have completed 8th grade and an average of 73.9% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| South Fulton, TN | 2,120 | 43% | 11.5% |
| Martin, TN | 10,585 | 41% | 14.9% |
| Sharon, TN | 1,127 | 40% | 17.7% |
| Troy, TN | 1,828 | 37% | 22.9% |
| Hornbeak, TN | 522 | 37% | 22.9% |
| Union City, TN | 10,426 | 34% | 29.6% |
| City | Population | Avg. Test Scores | National Avg. |
| Silverton, OR | 10,426 | 62% | 29.2% |
| Newcastle, OK | 10,425 | 41% | 13.9% |
| Little Canada, MN | 10,423 | 41% | 15.0% |
| Prineville, OR | 10,429 | 42% | 13.5% |
| Exeter, CA | 10,433 | 38% | 20.0% |
| Union City, TN | 10,426 | 34% | 29.6% |
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