| Index | Marble City | Oklahoma | National |
| Average Test Scores | 20% | 32% | 48% |
| Student/Teacher ratio | n/a | 22:1 | 16:1 |
| Total public schools | n/a | 1,346 | 79,221 |
| Total private schools | n/a | 159 | 24,874 |
| Total post-secondary schools | n/a | 178 | 7,963 |
| Index | Marble City | Oklahoma | National |
| Completed 8th grade | 65.6% | 83.5% | 84.3% |
| Completed high school | 60.9% | 82.2% | 83.0% |
| Completed some college | 28.5% | 55.6% | 59.4% |
| Completed associate degree | 15.2% | 31.9% | 38.5% |
| Completed bachelors | 9.3% | 24.5% | 30.3% |
| Completed masters | 3.3% | 8.1% | 11.5% |
| Completed professional degree | 1.3% | 2.3% | 3.3% |
| Completed doctorate | 1.3% | 1.0% | 1.3% |
There are a total of n/a public schools, n/a private schools and n/a post-secondary schools in Marble City. Using the proficiency score averages, the average test scores for Marble City, OK schools is 20%. The average student to teacher ratio is n/a. In Marble City, OK, an average of 65.6% of students have completed 8th grade and an average of 60.9% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Sallisaw, OK | 8,536 | 34% | 29.2% |
| Vian, OK | 1,350 | 33% | 31.6% |
| Muldrow, OK | 3,279 | 31% | 35.0% |
| Gans, OK | 348 | 24% | 51.0% |
| Greasy, OK | 260 | 10% | 79.2% |
| Marble City, OK | 194 | 20% | 58.3% |
| City | Population | Avg. Test Scores | National Avg. |
| Canadian, OK | 194 | 26% | 45.8% |
| New Paris, PA | 194 | 68% | 40.6% |
| Laurel, IA | 194 | 80% | 66.7% |
| Wilson Creek, WA | 193 | 45% | 6.3% |
| Big Bend, CA | 195 | 50% | 4.2% |
| Marble City, OK | 194 | 20% | 58.3% |
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