| Index | Gillett Grove | 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 | Gillett Grove | Iowa | National |
| Completed 8th grade | 71.0% | 89.2% | 84.3% |
| Completed high school | 71.0% | 87.7% | 83.0% |
| Completed some college | 22.6% | 59.8% | 59.4% |
| Completed associate degree | 9.7% | 38.4% | 38.5% |
| Completed bachelors | 0.0% | 27.2% | 30.3% |
| Completed masters | 0.0% | 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 Gillett Grove. Using the proficiency score averages, the average test scores for Gillett Grove, IA schools is n/a. The average student to teacher ratio is n/a. In Gillett Grove, IA, an average of 71.0% of students have completed 8th grade and an average of 71.0% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Spencer, IA | 11,038 | 79% | 63.5% |
| Sioux Rapids, IA | 920 | 71% | 48.6% |
| Everly, IA | 595 | 70% | 45.8% |
| Royal, IA | 505 | 65% | 35.4% |
| Laurens, IA | 1,196 | 60% | 25.0% |
| Gillett Grove, IA | 26 | n/a |
| City | Population | Avg. Test Scores | National Avg. |
| Charles City, VA | 26 | 70% | 45.8% |
| Bynum, MT | 25 | 35% | 27.1% |
| Slana, AK | 27 | 50% | 4.2% |
| Macomb, OK | 25 | 34% | 30.2% |
| Gerlach, NV | 28 | 50% | 4.2% |
| Gillett Grove, IA | 26 | n/a |
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