| Index | Garden Grove | Iowa | National |
| Average Test Scores | 70% | 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 | Garden Grove | Iowa | National |
| Completed 8th grade | 75.6% | 89.2% | 84.3% |
| Completed high school | 75.6% | 87.7% | 83.0% |
| Completed some college | 38.2% | 59.8% | 59.4% |
| Completed associate degree | 11.5% | 38.4% | 38.5% |
| Completed bachelors | 9.2% | 27.2% | 30.3% |
| Completed masters | 2.3% | 8.7% | 11.5% |
| Completed professional degree | 2.3% | 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 Garden Grove. Using the proficiency score averages, the average test scores for Garden Grove, IA schools is 70%. The average student to teacher ratio is n/a. In Garden Grove, IA, an average of 75.6% of students have completed 8th grade and an average of 75.6% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Leon, IA | 1,883 | 64% | 32.3% |
| Osceola, IA | 5,160 | 57% | 18.4% |
| Humeston, IA | 449 | 55% | 13.5% |
| Garden Grove, IA | 203 | 70% | 45.8% |
| City | Population | Avg. Test Scores | National Avg. |
| Lake Leelanau, MI | 203 | 30% | 37.5% |
| Cainsville, MO | 203 | 35% | 27.1% |
| Pembine, WI | 203 | 43% | 11.5% |
| Keller, WA | 204 | 30% | 37.5% |
| Cheraw, CO | 202 | 30% | 38.5% |
| Garden Grove, IA | 203 | 70% | 45.8% |
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