| Index | DeWitt | Iowa | National |
| Average Test Scores | 76% | 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 | DeWitt | Iowa | National |
| Completed 8th grade | 97.0% | 89.2% | 84.3% |
| Completed high school | 96.1% | 87.7% | 83.0% |
| Completed some college | 66.7% | 59.8% | 59.4% |
| Completed associate degree | 44.9% | 38.4% | 38.5% |
| Completed bachelors | 29.3% | 27.2% | 30.3% |
| Completed masters | 8.9% | 8.7% | 11.5% |
| Completed professional degree | 3.0% | 2.7% | 3.3% |
| Completed doctorate | 1.5% | 1.1% | 1.3% |
There are a total of n/a public schools, n/a private schools and n/a post-secondary schools in DeWitt. Using the proficiency score averages, the average test scores for DeWitt, IA schools is 76%. The average student to teacher ratio is n/a. In DeWitt, IA, an average of 97.0% of students have completed 8th grade and an average of 96.1% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Long Grove, IA | 893 | 87% | 81.3% |
| Princeton, IA | 942 | 85% | 76.0% |
| Delmar, IA | 491 | 82% | 70.8% |
| Eldridge, IA | 6,678 | 81% | 69.3% |
| Goose Lake, IA | 298 | 77% | 60.9% |
| DeWitt, IA | 5,215 | 76% | 57.8% |
| City | Population | Avg. Test Scores | National Avg. |
| McGregor, TX | 5,212 | 45% | 5.9% |
| Brewton, AL | 5,210 | 55% | 15.4% |
| Midway, UT | 5,210 | 67% | 38.5% |
| Anthony, TX | 5,210 | 47% | 2.1% |
| Diboll, TX | 5,210 | 44% | 8.3% |
| DeWitt, IA | 5,215 | 76% | 57.8% |
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