| Index | Galena | Ohio | National |
| Average Test Scores | 89% | 61% | 48% |
| Student/Teacher ratio | n/a | 17:1 | 16:1 |
| Total public schools | n/a | 3,650 | 79,221 |
| Total private schools | n/a | 1,000 | 24,874 |
| Total post-secondary schools | n/a | 393 | 7,963 |
| Index | Galena | Ohio | National |
| Completed 8th grade | 90.7% | 86.9% | 84.3% |
| Completed high school | 90.3% | 85.6% | 83.0% |
| Completed some college | 67.5% | 55.7% | 59.4% |
| Completed associate degree | 47.8% | 35.1% | 38.5% |
| Completed bachelors | 38.5% | 26.7% | 30.3% |
| Completed masters | 10.8% | 10.0% | 11.5% |
| Completed professional degree | 2.2% | 2.7% | 3.3% |
| Completed doctorate | 1.5% | 1.1% | 1.3% |
There are a total of n/a public schools, n/a private schools and n/a post-secondary schools in Galena. Using the proficiency score averages, the average test scores for Galena, OH schools is 89%. The average student to teacher ratio is n/a. In Galena, OH, an average of 90.7% of students have completed 8th grade and an average of 90.3% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Powell, OH | 13,353 | 88% | 82.9% |
| New Albany, OH | 11,085 | 87% | 81.3% |
| Dublin, OH | 47,824 | 81% | 68.7% |
| Sunbury, OH | 5,934 | 79% | 65.3% |
| Gahanna, OH | 35,442 | 76% | 58.6% |
| Galena, OH | 753 | 89% | 85.9% |
| City | Population | Avg. Test Scores | National Avg. |
| Tipton, OK | 753 | 19% | 61.5% |
| Volcano, HI | 753 | 45% | 7.3% |
| Aguila, AZ | 753 | 42% | 12.5% |
| Pinnacle, NC | 753 | 62% | 29.2% |
| Amity, AR | 753 | 48% | 1.0% |
| Galena, OH | 753 | 89% | 85.9% |
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