| Index | Marcellus | New York | National |
| Average Test Scores | 75% | 56% | 48% |
| Student/Teacher ratio | n/a | n/a | 16:1 |
| Total public schools | 3 | 4,060 | 79,221 |
| Total private schools | n/a | 1,092 | 24,874 |
| Total post-secondary schools | n/a | 483 | 7,963 |

| Index | Marcellus | New York | National |
| Completed 8th grade | 97.4% | 83.5% | 84.3% |
| Completed high school | 97.0% | 82.1% | 83.0% |
| Completed some college | 75.9% | 59.5% | 59.4% |
| Completed associate degree | 58.1% | 43.4% | 38.5% |
| Completed bachelors | 46.2% | 34.7% | 30.3% |
| Completed masters | 19.7% | 15.1% | 11.5% |
| Completed professional degree | 2.6% | 4.2% | 3.3% |
| Completed doctorate | 1.2% | 1.5% | 1.3% |
There are a total of 3 public schools, n/a private schools and n/a post-secondary schools in Marcellus. Using the proficiency score averages, the average test scores for Marcellus, NY schools is 75%. The average student to teacher ratio is n/a. In Marcellus, NY, an average of 97.4% of students have completed 8th grade and an average of 97.0% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Skaneateles, NY | 2,481 | 79% | 63.5% |
| Jordan, NY | 1,489 | 68% | 40.6% |
| Solvay, NY | 6,437 | 65% | 34.4% |
| Camillus, NY | 1,052 | 64% | 34.2% |
| Cato, NY | 502 | 60% | 25.7% |
| Marcellus, NY | 2,273 | 75% | 56.9% |
| City | Population | Avg. Test Scores | National Avg. |
| Orleans, IN | 2,273 | 45% | 6.8% |
| Cheney, KS | 2,273 | 45% | 7.3% |
| Cuba City, WI | 2,273 | 48% | = 100 |
| Granby, MO | 2,273 | 48% | 0.5% |
| Brooks, KY | 2,273 | 44% | 8.3% |
| Marcellus, NY | 2,273 | 75% | 56.9% |