| 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 |
| 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 | 448 | 70% | 44.8% |
| Haslett, MI | 19,223 | 69% | 43.0% |
| Williamston, MI | 3,939 | 66% | 36.8% |
| Okemos, MI | 24,295 | 65% | 34.6% |
| Westphalia, MI | 808 | 64% | 32.3% |
| DeWitt, MI | 4,743 | 64% | 33.6% |
| City | Population | Avg. Test Scores | National Avg. |
| Dallas, NC | 4,744 | 49% | 1.9% |
| Berlin, MD | 4,740 | 65% | 34.8% |
| Highlands, NJ | 4,746 | 69% | 42.7% |
| Madisonville, TX | 4,740 | 46% | 4.2% |
| Blue Point, NY | 4,739 | 45% | 6.3% |
| DeWitt, MI | 4,743 | 64% | 33.6% |
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