| Index | Garber | Iowa | National |
| Average Test Scores | n/a | 69% | 48% |
| Student/Teacher ratio | n/a | 13:1 | 16:1 |
| Total public schools | n/a | 1,101 | 79,221 |
| Total private schools | n/a | 208 | 24,874 |
| Total post-secondary schools | n/a | 96 | 7,963 |
| Index | Garber | Iowa | National |
| Completed 8th grade | 89.5% | 89.2% | 84.3% |
| Completed high school | 88.4% | 87.7% | 83.0% |
| Completed some college | 36.0% | 59.8% | 59.4% |
| Completed associate degree | 7.0% | 38.4% | 38.5% |
| Completed bachelors | 2.3% | 27.2% | 30.3% |
| Completed masters | 2.3% | 8.7% | 11.5% |
| Completed professional degree | 0.0% | 2.7% | 3.3% |
| Completed doctorate | 0.0% | 1.1% | 1.3% |
There are a total of n/a public schools, n/a private schools and n/a post-secondary schools in Garber. Using the proficiency score averages, the average test scores for Garber, IA schools is n/a. The average student to teacher ratio is n/a. In Garber, IA, an average of 89.5% of students have completed 8th grade and an average of 88.4% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Garnavillo, IA | 815 | 71% | 48.3% |
| Guttenberg, IA | 1,689 | 70% | 45.8% |
| Colesburg, IA | 522 | 65% | 34.4% |
| Elkader, IA | 1,362 | 62% | 29.7% |
| Edgewood, IA | 574 | 62% | 29.2% |
| Garber, IA | 104 | n/a |
| City | Population | Avg. Test Scores | National Avg. |
| Buckhorn, KY | 104 | 51% | 6.3% |
| Rosendale, MO | 104 | 47% | 1.7% |
| Moffat, CO | 104 | 27% | 43.8% |
| Harper, OR | 104 | 35% | 27.1% |
| Cantrall, IL | 104 | 45% | 6.3% |
| Garber, IA | 104 | n/a |
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