| Index | Denmark | 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 | Denmark | Iowa | National |
| Completed 8th grade | 80.8% | 89.2% | 84.3% |
| Completed high school | 74.9% | 87.7% | 83.0% |
| Completed some college | 53.9% | 59.8% | 59.4% |
| Completed associate degree | 27.9% | 38.4% | 38.5% |
| Completed bachelors | 16.4% | 27.2% | 30.3% |
| Completed masters | 5.9% | 8.7% | 11.5% |
| Completed professional degree | 2.3% | 2.7% | 3.3% |
| Completed doctorate | 2.3% | 1.1% | 1.3% |
There are a total of n/a public schools, n/a private schools and n/a post-secondary schools in Denmark. Using the proficiency score averages, the average test scores for Denmark, IA schools is n/a. The average student to teacher ratio is n/a. In Denmark, IA, an average of 80.8% of students have completed 8th grade and an average of 74.9% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Salem, IA | 492 | 85% | 77.1% |
| West Burlington, IA | 2,909 | 74% | 54.2% |
| Danville, IA | 931 | 74% | 53.1% |
| Donnellson, IA | 908 | 73% | 52.8% |
| Fort Madison, IA | 10,407 | 63% | 31.3% |
| Denmark, IA | 504 | n/a |
| City | Population | Avg. Test Scores | National Avg. |
| Henry, TN | 504 | 27% | 43.8% |
| Martensdale, IA | 504 | 76% | 57.8% |
| Miltonvale, KS | 504 | 45% | 6.3% |
| Simla, CO | 504 | 56% | 15.6% |
| Cisne, IL | 505 | 27% | 43.2% |
| Denmark, IA | 504 | n/a |
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