| 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 | 1,126 | 81% | 68.1% |
| Fort Recovery, OH | 1,714 | 80% | 67.0% |
| Arcanum, OH | 2,457 | 76% | 58.1% |
| Ridgeville, IN | 554 | 62% | 29.2% |
| Greenville, OH | 12,743 | 59% | 22.9% |
| Union City, OH | 1,660 | 65% | 34.4% |
| City | Population | Avg. Test Scores | National Avg. |
| Coleraine, MN | 1,660 | 55% | 13.9% |
| Norris, TN | 1,659 | 42% | 12.5% |
| Corydon, IA | 1,659 | 73% | 52.6% |
| Stockton, KS | 1,659 | 16% | 66.7% |
| Munfordville, KY | 1,659 | 47% | 2.6% |
| Union City, OH | 1,660 | 65% | 34.4% |
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