| Index | Marble | North Carolina | National |
| Average Test Scores | 15% | 43% | 48% |
| Student/Teacher ratio | n/a | 15:1 | 16:1 |
| Total public schools | n/a | 1,895 | 79,221 |
| Total private schools | n/a | 510 | 24,874 |
| Total post-secondary schools | n/a | 183 | 7,963 |
| Index | Marble | North Carolina | National |
| Completed 8th grade | 72.8% | 83.4% | 84.3% |
| Completed high school | 66.3% | 81.9% | 83.0% |
| Completed some college | 48.0% | 59.9% | 59.4% |
| Completed associate degree | 21.3% | 38.1% | 38.5% |
| Completed bachelors | 14.9% | 29.0% | 30.3% |
| Completed masters | 0.0% | 10.2% | 11.5% |
| Completed professional degree | 0.0% | 2.9% | 3.3% |
| Completed doctorate | 0.0% | 1.3% | 1.3% |
There are a total of n/a public schools, n/a private schools and n/a post-secondary schools in Marble. Using the proficiency score averages, the average test scores for Marble, NC schools is 15%. The average student to teacher ratio is n/a. In Marble, NC, an average of 72.8% of students have completed 8th grade and an average of 66.3% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Murphy, NC | 1,855 | 47% | 1.5% |
| Andrews, NC | 1,915 | 46% | 5.2% |
| Hayesville, NC | 387 | 45% | 7.3% |
| Robbinsville, NC | 854 | 38% | 20.5% |
| Marble, NC | 546 | 15% | 68.8% |
| City | Population | Avg. Test Scores | National Avg. |
| Valier, MT | 546 | 42% | 12.5% |
| Warren, MA | 546 | 50% | 4.7% |
| Wrightstown, NJ | 546 | 49% | 1.4% |
| Dayton, ID | 546 | 67% | 39.9% |
| Pettisville, OH | 546 | 81% | 68.2% |
| Marble, NC | 546 | 15% | 68.8% |
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