| Index | Gruver | 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 | Gruver | Iowa | National |
| Completed 8th grade | 82.1% | 89.2% | 84.3% |
| Completed high school | 82.1% | 87.7% | 83.0% |
| Completed some college | 51.2% | 59.8% | 59.4% |
| Completed associate degree | 34.5% | 38.4% | 38.5% |
| Completed bachelors | 10.7% | 27.2% | 30.3% |
| Completed masters | 4.8% | 8.7% | 11.5% |
| Completed professional degree | 2.4% | 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 Gruver. Using the proficiency score averages, the average test scores for Gruver, IA schools is n/a. The average student to teacher ratio is n/a. In Gruver, IA, an average of 82.1% of students have completed 8th grade and an average of 82.1% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Fenton, IA | 232 | 72% | 50.0% |
| Armstrong, IA | 846 | 65% | 35.4% |
| Terril, IA | 343 | 57% | 18.8% |
| Estherville, IA | 5,729 | 57% | 18.1% |
| Graettinger, IA | 1,044 | 46% | 4.2% |
| Gruver, IA | 56 | n/a |
| City | Population | Avg. Test Scores | National Avg. |
| Hughes, AK | 56 | 50% | 4.2% |
| Leggett, CA | 56 | 25% | 47.9% |
| Shageluk, AK | 56 | 50% | 4.2% |
| Put-in-Bay, OH | 56 | 65% | 35.4% |
| Utica, SD | 56 | 50% | 4.2% |
| Gruver, IA | 56 | n/a |
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