| Index | Inwood | Iowa | National |
| Average Test Scores | 80% | 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 | Inwood | Iowa | National |
| Completed 8th grade | 88.1% | 89.2% | 84.3% |
| Completed high school | 85.1% | 87.7% | 83.0% |
| Completed some college | 53.5% | 59.8% | 59.4% |
| Completed associate degree | 26.8% | 38.4% | 38.5% |
| Completed bachelors | 13.6% | 27.2% | 30.3% |
| Completed masters | 4.1% | 8.7% | 11.5% |
| Completed professional degree | 1.5% | 2.7% | 3.3% |
| Completed doctorate | 0.3% | 1.1% | 1.3% |
There are a total of n/a public schools, n/a private schools and n/a post-secondary schools in Inwood. Using the proficiency score averages, the average test scores for Inwood, IA schools is 80%. The average student to teacher ratio is n/a. In Inwood, IA, an average of 88.1% of students have completed 8th grade and an average of 85.1% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Rock Rapids, IA | 2,621 | 79% | 64.2% |
| Rock Valley, IA | 3,981 | 77% | 59.7% |
| Canton, SD | 3,582 | 60% | 25.0% |
| Hills, MN | 842 | 57% | 18.8% |
| Harrisburg, SD | 6,669 | 54% | 13.3% |
| Inwood, IA | 1,021 | 80% | 67.4% |
| City | Population | Avg. Test Scores | National Avg. |
| Nortonville, KY | 1,020 | 54% | 12.0% |
| Medford, OK | 1,022 | 44% | 9.4% |
| Allardt, TN | 1,020 | 49% | 1.0% |
| Hayneville, AL | 1,022 | 23% | 52.6% |
| Sharon Springs, KS | 1,020 | 41% | 14.6% |
| Inwood, IA | 1,021 | 80% | 67.4% |
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