| Index | Union City | Ohio | National |
| Average Test Scores | 65% | 61% | 48% |
| Student/Teacher ratio | 14:1 | 17:1 | 16:1 |
| Total public schools | 3 | 3,650 | 79,221 |
| Total private schools | n/a | 1,000 | 24,874 |
| Total post-secondary schools | n/a | 393 | 7,963 |

| Index | Union City | Ohio | National |
| Completed 8th grade | 67.8% | 86.9% | 84.3% |
| Completed high school | 64.7% | 85.6% | 83.0% |
| Completed some college | 31.1% | 55.7% | 59.4% |
| Completed associate degree | 13.0% | 35.1% | 38.5% |
| Completed bachelors | 5.4% | 26.7% | 30.3% |
| Completed masters | 0.5% | 10.0% | 11.5% |
| Completed professional degree | 0.0% | 2.7% | 3.3% |
| Completed doctorate | 0.0% | 1.1% | 1.3% |
There are a total of 3 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, OH schools is 65%. The average student to teacher ratio is 14:1. In Union City, OH, an average of 67.8% of students have completed 8th grade and an average of 64.7% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Ansonia, OH | 1,158 | 81% | 68.1% |
| Fort Recovery, OH | 1,780 | 80% | 67.0% |
| Arcanum, OH | 2,515 | 76% | 58.1% |
| Ridgeville, IN | 567 | 62% | 29.2% |
| Greenville, OH | 13,135 | 59% | 22.9% |
| Union City, OH | 1,705 | 65% | 34.4% |
| City | Population | Avg. Test Scores | National Avg. |
| Roodhouse, IL | 1,704 | 32% | 34.4% |
| Oakland, IA | 1,704 | 70% | 45.3% |
| Evart, MI | 1,706 | 32% | 32.7% |
| Ashley, OH | 1,706 | 67% | 39.6% |
| Bartlett, TX | 1,703 | 30% | 38.5% |
| Union City, OH | 1,705 | 65% | 34.4% |