| Index | Marbury | Alabama | National |
| Average Test Scores | 46% | 44% | 48% |
| Student/Teacher ratio | n/a | 15:1 | 16:1 |
| Total public schools | n/a | 1,307 | 79,221 |
| Total private schools | n/a | 353 | 24,874 |
| Total post-secondary schools | n/a | 102 | 7,963 |
| Index | Marbury | Alabama | National |
| Completed 8th grade | 80.5% | 80.7% | 84.3% |
| Completed high school | 80.5% | 79.2% | 83.0% |
| Completed some college | 34.0% | 53.8% | 59.4% |
| Completed associate degree | 13.1% | 31.9% | 38.5% |
| Completed bachelors | 10.0% | 24.0% | 30.3% |
| Completed masters | 7.2% | 8.9% | 11.5% |
| Completed professional degree | 1.6% | 2.5% | 3.3% |
| Completed doctorate | 1.6% | 1.0% | 1.3% |
There are a total of n/a public schools, n/a private schools and n/a post-secondary schools in Marbury. Using the proficiency score averages, the average test scores for Marbury, AL schools is 46%. The average student to teacher ratio is n/a. In Marbury, AL, an average of 80.5% of students have completed 8th grade and an average of 80.5% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Deatsville, AL | 1,911 | 56% | 17.5% |
| Coosada, AL | 970 | 53% | 10.4% |
| Millbrook, AL | 16,670 | 50% | 3.1% |
| Clanton, AL | 8,896 | 45% | 6.9% |
| Billingsley, AL | 154 | 41% | 14.6% |
| Marbury, AL | 2,100 | 46% | 5.2% |
| City | Population | Avg. Test Scores | National Avg. |
| West Branch, MI | 2,099 | 41% | 14.6% |
| Somonauk, IL | 2,099 | 46% | 5.2% |
| Honey Grove, TX | 2,101 | 47% | 2.8% |
| Groton, NY | 2,099 | 39% | 18.8% |
| Kountze, TX | 2,098 | 43% | 10.9% |
| Marbury, AL | 2,100 | 46% | 5.2% |
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