| Index | Otter Lake | Michigan | National |
| Average Test Scores | n/a | 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 | Otter Lake | Michigan | National |
| Completed 8th grade | 83.6% | 86.9% | 84.3% |
| Completed high school | 81.4% | 85.9% | 83.0% |
| Completed some college | 50.0% | 60.3% | 59.4% |
| Completed associate degree | 24.3% | 36.5% | 38.5% |
| Completed bachelors | 10.0% | 27.4% | 30.3% |
| Completed masters | 6.1% | 10.7% | 11.5% |
| Completed professional degree | 1.4% | 2.8% | 3.3% |
| Completed doctorate | 1.4% | 1.1% | 1.3% |
There are a total of n/a public schools, n/a private schools and n/a post-secondary schools in Otter Lake. Using the proficiency score averages, the average test scores for Otter Lake, MI schools is n/a. The average student to teacher ratio is n/a. In Otter Lake, MI, an average of 83.6% of students have completed 8th grade and an average of 81.4% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Frankenmuth, MI | 5,597 | 69% | 42.7% |
| Davison, MI | 5,024 | 52% | 9.2% |
| Kingston, MI | 365 | 52% | 8.3% |
| Lapeer, MI | 8,922 | 45% | 5.7% |
| Millington, MI | 1,017 | 41% | 15.6% |
| Otter Lake, MI | 368 | n/a |
| City | Population | Avg. Test Scores | National Avg. |
| Branch, LA | 368 | 54% | 11.5% |
| Macks Creek, MO | 368 | 40% | 17.7% |
| Casar, NC | 368 | 57% | 18.8% |
| Nickelsville, VA | 368 | 88% | 82.8% |
| Speculator, NY | 368 | 50% | 4.2% |
| Otter Lake, MI | 368 | n/a |
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