| Index | Marcellus | Michigan | National |
| Average Test Scores | 44% | 42% | 48% |
| Student/Teacher ratio | 19:1 | 22:1 | 16:1 |
| Total public schools | 4 | 3,421 | 79,221 |
| Total private schools | 1 | 835 | 24,874 |
| Total post-secondary schools | n/a | 196 | 7,963 |

| Index | Marcellus | Michigan | National |
| Completed 8th grade | 83.0% | 86.9% | 84.3% |
| Completed high school | 82.1% | 85.9% | 83.0% |
| Completed some college | 46.8% | 60.3% | 59.4% |
| Completed associate degree | 14.1% | 36.5% | 38.5% |
| Completed bachelors | 7.8% | 27.4% | 30.3% |
| Completed masters | 3.2% | 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 4 public schools, 1 private schools and n/a post-secondary schools in Marcellus. Using the proficiency score averages, the average test scores for Marcellus, MI schools is 44%. The average student to teacher ratio is 19:1. In Marcellus, MI, an average of 83.0% of students have completed 8th grade and an average of 82.1% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Mattawan, MI | 2,627 | 64% | 32.3% |
| Schoolcraft, MI | 1,247 | 62% | 29.2% |
| Portage, MI | 50,237 | 57% | 18.8% |
| Vicksburg, MI | 3,560 | 50% | 5.0% |
| Paw Paw, MI | 3,530 | 48% | 0.6% |
| Marcellus, MI | 1,173 | 44% | 8.7% |
| City | Population | Avg. Test Scores | National Avg. |
| King Cove, AK | 1,173 | 20% | 58.3% |
| McGraw, NY | 1,173 | 50% | 3.1% |
| Cedar Bluff, VA | 1,174 | 87% | 81.3% |
| Cleveland, NC | 1,172 | 46% | 5.2% |
| Elk Mound, WI | 1,174 | 48% | 0.3% |
| Marcellus, MI | 1,173 | 44% | 8.7% |