| Index | Onsted | Michigan | National |
| Average Test Scores | 40% | 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 | Onsted | Michigan | National |
| Completed 8th grade | 90.7% | 86.9% | 84.3% |
| Completed high school | 89.3% | 85.9% | 83.0% |
| Completed some college | 55.6% | 60.3% | 59.4% |
| Completed associate degree | 23.6% | 36.5% | 38.5% |
| Completed bachelors | 13.8% | 27.4% | 30.3% |
| Completed masters | 7.4% | 10.7% | 11.5% |
| Completed professional degree | 1.0% | 2.8% | 3.3% |
| Completed doctorate | 0.7% | 1.1% | 1.3% |
There are a total of n/a public schools, n/a private schools and n/a post-secondary schools in Onsted. Using the proficiency score averages, the average test scores for Onsted, MI schools is 40%. The average student to teacher ratio is n/a. In Onsted, MI, an average of 90.7% of students have completed 8th grade and an average of 89.3% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Brooklyn, MI | 1,088 | 51% | 6.3% |
| Manchester, MI | 2,170 | 50% | 4.2% |
| Napoleon, MI | 905 | 49% | 2.4% |
| Clinton, MI | 2,885 | 48% | 0.3% |
| Tecumseh, MI | 8,361 | 42% | 13.1% |
| Onsted, MI | 1,249 | 40% | 16.7% |
| City | Population | Avg. Test Scores | National Avg. |
| Holland, NY | 1,249 | 52% | 8.7% |
| New York Mills, MN | 1,249 | 58% | 21.4% |
| St. Anne, IL | 1,249 | 25% | 47.9% |
| New London, MN | 1,249 | 65% | 34.7% |
| Pandora, OH | 1,250 | 76% | 59.0% |
| Onsted, MI | 1,249 | 40% | 16.7% |
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