| Index | Mio | Michigan | National |
| Average Test Scores | 36% | 42% | 48% |
| Student/Teacher ratio | 15:1 | 22:1 | 16:1 |
| Total public schools | 2 | 3,421 | 79,221 |
| Total private schools | 1 | 835 | 24,874 |
| Total post-secondary schools | n/a | 196 | 7,963 |
| Index | Mio | Michigan | National |
| Completed 8th grade | 81.2% | 86.9% | 84.3% |
| Completed high school | 78.8% | 85.9% | 83.0% |
| Completed some college | 45.2% | 60.3% | 59.4% |
| Completed associate degree | 17.1% | 36.5% | 38.5% |
| Completed bachelors | 9.1% | 27.4% | 30.3% |
| Completed masters | 1.1% | 10.7% | 11.5% |
| Completed professional degree | 0.0% | 2.8% | 3.3% |
| Completed doctorate | 0.0% | 1.1% | 1.3% |
There are a total of 2 public schools, 1 private schools and n/a post-secondary schools in Mio. Using the proficiency score averages, the average test scores for Mio, MI schools is 36%. The average student to teacher ratio is 15:1. In Mio, MI, an average of 81.2% of students have completed 8th grade and an average of 78.8% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Oscoda, MI | 733 | 43% | 9.9% |
| Lewiston, MI | 863 | 42% | 12.5% |
| Mio, MI | 1,555 | 36% | 25.5% |
| City | Population | Avg. Test Scores | National Avg. |
| Luther, OK | 1,555 | 29% | 40.3% |
| Whitehall, WI | 1,554 | 34% | 28.6% |
| Monrovia, MD | 1,556 | 61% | 27.1% |
| Brownsboro, TX | 1,556 | 47% | 3.1% |
| Glen Gardner, NJ | 1,554 | 62% | 29.2% |
| Mio, MI | 1,555 | 36% | 25.5% |
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