| Index | Marion | North Carolina | National |
| Average Test Scores | 45% | 43% | 48% |
| Student/Teacher ratio | 15:1 | 15:1 | 16:1 |
| Total public schools | 9 | 1,895 | 79,221 |
| Total private schools | 4 | 510 | 24,874 |
| Total post-secondary schools | 1 | 183 | 7,963 |
| Index | Marion | North Carolina | National |
| Completed 8th grade | 69.6% | 83.4% | 84.3% |
| Completed high school | 66.1% | 81.9% | 83.0% |
| Completed some college | 39.7% | 59.9% | 59.4% |
| Completed associate degree | 23.3% | 38.1% | 38.5% |
| Completed bachelors | 13.5% | 29.0% | 30.3% |
| Completed masters | 3.8% | 10.2% | 11.5% |
| Completed professional degree | 0.8% | 2.9% | 3.3% |
| Completed doctorate | 0.0% | 1.3% | 1.3% |
There are a total of 9 public schools, 4 private schools and 1 post-secondary schools in Marion. Using the proficiency score averages, the average test scores for Marion, NC schools is 45%. The average student to teacher ratio is 15:1. In Marion, NC, an average of 69.6% of students have completed 8th grade and an average of 66.1% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Old Fort, NC | 743 | 47% | 2.1% |
| Marion, NC | 7,853 | 45% | 7.1% |
| City | Population | Avg. Test Scores | National Avg. |
| Ripley, TN | 7,852 | 26% | 46.5% |
| Campbell, OH | 7,847 | 42% | 13.0% |
| Jerseyville, IL | 7,860 | 40% | 16.0% |
| Bonner Springs, KS | 7,846 | 27% | 44.1% |
| Grand Ledge, MI | 7,860 | 56% | 16.3% |
| Marion, NC | 7,853 | 45% | 7.1% |
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