| Index | Cassopolis | Michigan | National |
| Average Test Scores | 41% | 42% | 48% |
| Student/Teacher ratio | 33:1 | 22:1 | 16:1 |
| Total public schools | 5 | 3,421 | 79,221 |
| Total private schools | 1 | 835 | 24,874 |
| Total post-secondary schools | n/a | 196 | 7,963 |
| Index | Cassopolis | Michigan | National |
| Completed 8th grade | 78.6% | 86.9% | 84.3% |
| Completed high school | 77.9% | 85.9% | 83.0% |
| Completed some college | 42.3% | 60.3% | 59.4% |
| Completed associate degree | 15.5% | 36.5% | 38.5% |
| Completed bachelors | 6.3% | 27.4% | 30.3% |
| Completed masters | 2.3% | 10.7% | 11.5% |
| Completed professional degree | 0.3% | 2.8% | 3.3% |
| Completed doctorate | 0.0% | 1.1% | 1.3% |
There are a total of 5 public schools, 1 private schools and n/a post-secondary schools in Cassopolis. Using the proficiency score averages, the average test scores for Cassopolis, MI schools is 41%. The average student to teacher ratio is 33:1. In Cassopolis, MI, an average of 78.6% of students have completed 8th grade and an average of 77.9% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Granger, IN | 30,499 | 82% | 71.7% |
| Edwardsburg, MI | 1,115 | 66% | 37.2% |
| Bristol, IN | 1,539 | 44% | 7.8% |
| Marcellus, MI | 1,140 | 44% | 8.7% |
| Niles, MI | 11,168 | 40% | 16.4% |
| Cassopolis, MI | 1,684 | 41% | 15.6% |
| City | Population | Avg. Test Scores | National Avg. |
| Princeville, IL | 1,684 | 47% | 3.1% |
| East Helena, MT | 1,684 | 47% | 2.6% |
| Mount Pulaski, IL | 1,683 | 28% | 41.1% |
| Oswego, KS | 1,683 | 37% | 22.9% |
| Grant, AL | 1,685 | 52% | 7.6% |
| Cassopolis, MI | 1,684 | 41% | 15.6% |
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