| 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 | 1,117 | 51% | 6.3% |
| Manchester, MI | 2,225 | 50% | 4.2% |
| Napoleon, MI | 940 | 49% | 2.4% |
| Clinton, MI | 2,995 | 48% | 0.3% |
| Tecumseh, MI | 8,537 | 42% | 13.1% |
| Onsted, MI | 1,283 | 40% | 16.7% |
| City | Population | Avg. Test Scores | National Avg. |
| Kettleman City, CA | 1,283 | 32% | 33.3% |
| Belle, MO | 1,283 | 50% | 3.6% |
| Olmito, TX | 1,283 | 63% | 30.2% |
| Orangeville, UT | 1,283 | 42% | 12.5% |
| Thomas, OK | 1,284 | 47% | 1.7% |
| Onsted, MI | 1,283 | 40% | 16.7% |