| Index | Union City | New Jersey | National |
| Average Test Scores | 48% | 52% | 48% |
| Student/Teacher ratio | 12:1 | 13:1 | 16:1 |
| Total public schools | 11 | 1,604 | 79,221 |
| Total private schools | 10 | 823 | 24,874 |
| Total post-secondary schools | n/a | 157 | 7,963 |
| Index | Union City | New Jersey | National |
| Completed 8th grade | 70.8% | 87.5% | 84.3% |
| Completed high school | 67.2% | 86.3% | 83.0% |
| Completed some college | 36.6% | 60.7% | 59.4% |
| Completed associate degree | 22.7% | 43.9% | 38.5% |
| Completed bachelors | 18.9% | 37.5% | 30.3% |
| Completed masters | 5.9% | 14.4% | 11.5% |
| Completed professional degree | 1.7% | 4.0% | 3.3% |
| Completed doctorate | 0.6% | 1.5% | 1.3% |
There are a total of 11 public schools, 10 private schools and n/a post-secondary schools in Union City. Using the proficiency score averages, the average test scores for Union City, NJ schools is 48%. The average student to teacher ratio is 12:1. In Union City, NJ, an average of 70.8% of students have completed 8th grade and an average of 67.2% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Teterboro, NJ | 110 | 95% | 96.9% |
| Bronxville, NY | 6,450 | 88% | 82.3% |
| Alpine, NJ | 1,459 | 87% | 81.3% |
| Englewood Cliffs, NJ | 5,349 | 87% | 80.2% |
| Closter, NJ | 8,551 | 85% | 76.6% |
| Union City, NJ | 68,073 | 48% | 0.7% |
| City | Population | Avg. Test Scores | National Avg. |
| Yorba Linda, CA | 68,103 | 72% | 50.3% |
| Rockville, MD | 68,155 | 52% | 8.2% |
| Palo Alto, CA | 67,973 | 81% | 68.5% |
| Redmond, WA | 67,959 | 83% | 73.1% |
| Gaithersburg, MD | 67,878 | 44% | 8.8% |
| Union City, NJ | 68,073 | 48% | 0.7% |
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