| Index | DeWitt | Michigan | National |
| Average Test Scores | 64% | 42% | 48% |
| Student/Teacher ratio | n/a | 22:1 | 16:1 |
| Total public schools | n/a | 3,421 | 79,221 |
| Total private schools | n/a | 835 | 24,874 |
| Total post-secondary schools | n/a | 196 | 7,963 |


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| Index | DeWitt | Michigan | National |
| Completed 8th grade | 95.7% | 86.9% | 84.3% |
| Completed high school | 95.7% | 85.9% | 83.0% |
| Completed some college | 81.8% | 60.3% | 59.4% |
| Completed associate degree | 59.3% | 36.5% | 38.5% |
| Completed bachelors | 53.4% | 27.4% | 30.3% |
| Completed masters | 23.6% | 10.7% | 11.5% |
| Completed professional degree | 11.8% | 2.8% | 3.3% |
| Completed doctorate | 5.2% | 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, MI schools is 64%. The average student to teacher ratio is n/a. In DeWitt, MI, an average of 95.7% of students have completed 8th grade and an average of 95.7% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Pewamo, MI | 466 | 70% | 44.8% |
| Haslett, MI | 19,651 | 69% | 43.0% |
| Williamston, MI | 4,067 | 66% | 36.8% |
| Okemos, MI | 24,848 | 65% | 34.6% |
| Westphalia, MI | 825 | 64% | 32.3% |
| DeWitt, MI | 4,858 | 64% | 33.6% |
| City | Population | Avg. Test Scores | National Avg. |
| Dundee, FL | 4,857 | 48% | 0.7% |
| Salem, NJ | 4,860 | 39% | 18.1% |
| Eldon, MO | 4,856 | 51% | 6.0% |
| Temple, GA | 4,862 | 46% | 5.0% |
| Farmville, NC | 4,854 | 35% | 26.4% |
| DeWitt, MI | 4,858 | 64% | 33.6% |