| Index | Marion | Indiana | National |
| Average Test Scores | 37% | 46% | 48% |
| Student/Teacher ratio | 17:1 | 22:1 | 16:1 |
| Total public schools | 18 | 1,755 | 79,221 |
| Total private schools | 4 | 675 | 24,874 |
| Total post-secondary schools | 3 | 141 | 7,963 |
| Index | Marion | Indiana | National |
| Completed 8th grade | 76.2% | 84.6% | 84.3% |
| Completed high school | 73.8% | 82.9% | 83.0% |
| Completed some college | 41.5% | 53.8% | 59.4% |
| Completed associate degree | 20.5% | 33.0% | 38.5% |
| Completed bachelors | 14.1% | 24.6% | 30.3% |
| Completed masters | 5.7% | 8.9% | 11.5% |
| Completed professional degree | 1.1% | 2.4% | 3.3% |
| Completed doctorate | 0.7% | 1.0% | 1.3% |
There are a total of 18 public schools, 4 private schools and 3 post-secondary schools in Marion. Using the proficiency score averages, the average test scores for Marion, IN schools is 37%. The average student to teacher ratio is 17:1. In Marion, IN, an average of 76.2% of students have completed 8th grade and an average of 73.8% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Warren, IN | 1,199 | 60% | 24.0% |
| Upland, IN | 3,701 | 51% | 6.3% |
| Sweetser, IN | 1,157 | 49% | 2.1% |
| Swayzee, IN | 968 | 49% | 1.0% |
| Summitville, IN | 983 | 47% | 2.1% |
| Marion, IN | 27,730 | 37% | 23.1% |
| City | Population | Avg. Test Scores | National Avg. |
| Rockledge, FL | 27,739 | 57% | 19.4% |
| Glen Ellyn, IL | 27,741 | 59% | 23.0% |
| Frankfort, KY | 27,705 | 45% | 6.4% |
| Kirkwood, MO | 27,772 | 69% | 43.1% |
| Perry Hall, MD | 27,778 | 70% | 46.4% |
| Marion, IN | 27,730 | 37% | 23.1% |
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