| Index | Galena | Illinois | National |
| Average Test Scores | 44% | 33% | 48% |
| Student/Teacher ratio | 12:1 | 18:1 | 16:1 |
| Total public schools | 3 | 3,938 | 79,221 |
| Total private schools | 1 | 1,438 | 24,874 |
| Total post-secondary schools | n/a | 306 | 7,963 |


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| Index | Galena | Illinois | National |
| Completed 8th grade | 86.1% | 86.2% | 84.3% |
| Completed high school | 84.5% | 84.7% | 83.0% |
| Completed some college | 52.4% | 61.8% | 59.4% |
| Completed associate degree | 25.4% | 40.7% | 38.5% |
| Completed bachelors | 19.4% | 32.9% | 30.3% |
| Completed masters | 8.2% | 12.7% | 11.5% |
| Completed professional degree | 1.1% | 3.4% | 3.3% |
| Completed doctorate | 0.6% | 1.2% | 1.3% |
There are a total of 3 public schools, 1 private schools and n/a post-secondary schools in Galena. Using the proficiency score averages, the average test scores for Galena, IL schools is 44%. The average student to teacher ratio is 12:1. In Galena, IL, an average of 86.1% of students have completed 8th grade and an average of 84.5% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Bellevue, IA | 2,126 | 75% | 55.2% |
| Dubuque, IA | 59,811 | 65% | 34.7% |
| Scales Mound, IL | 521 | 52% | 7.6% |
| Cuba City, WI | 2,273 | 48% | = 100 |
| Hazel Green, WI | 942 | 47% | 1.7% |
| Galena, IL | 3,259 | 44% | 9.4% |
| City | Population | Avg. Test Scores | National Avg. |
| Avondale Estates, GA | 3,259 | 58% | 20.1% |
| Tomahawk, WI | 3,259 | 35% | 27.4% |
| Marion, AL | 3,260 | 21% | 56.3% |
| Eden, NY | 3,258 | 65% | 34.9% |
| New Baden, IL | 3,260 | 40% | 17.7% |
| Galena, IL | 3,259 | 44% | 9.4% |