| Index | Union | Alabama | National |
| Average Test Scores | n/a | 44% | 48% |
| Student/Teacher ratio | n/a | 15:1 | 16:1 |
| Total public schools | n/a | 1,307 | 79,221 |
| Total private schools | n/a | 353 | 24,874 |
| Total post-secondary schools | n/a | 102 | 7,963 |
| Index | Union | Alabama | National |
| Completed 8th grade | 72.8% | 80.7% | 84.3% |
| Completed high school | 69.8% | 79.2% | 83.0% |
| Completed some college | 35.1% | 53.8% | 59.4% |
| Completed associate degree | 11.9% | 31.9% | 38.5% |
| Completed bachelors | 9.9% | 24.0% | 30.3% |
| Completed masters | 4.5% | 8.9% | 11.5% |
| Completed professional degree | 0.0% | 2.5% | 3.3% |
| Completed doctorate | 0.0% | 1.0% | 1.3% |
There are a total of n/a public schools, n/a private schools and n/a post-secondary schools in Union. Using the proficiency score averages, the average test scores for Union, AL schools is n/a. The average student to teacher ratio is n/a. In Union, AL, an average of 72.8% of students have completed 8th grade and an average of 69.8% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Eutaw, AL | 2,643 | 24% | 51.0% |
| Aliceville, AL | 2,199 | 21% | 55.9% |
| Union, AL | 314 | n/a |
| City | Population | Avg. Test Scores | National Avg. |
| Pueblo Pintado, NM | 314 | 15% | 68.8% |
| King William, VA | 314 | 78% | 62.2% |
| Spickard, MO | 314 | 50% | 4.2% |
| Powers Lake, ND | 313 | 51% | 6.3% |
| Texline, TX | 315 | 42% | 12.5% |
| Union, AL | 314 | n/a |
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