| Index | Cullman | Alabama | National |
| Average Test Scores | 56% | 44% | 48% |
| Student/Teacher ratio | 15:1 | 15:1 | 16:1 |
| Total public schools | 20 | 1,307 | 79,221 |
| Total private schools | 3 | 353 | 24,874 |
| Total post-secondary schools | n/a | 102 | 7,963 |


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| Index | Cullman | Alabama | National |
| Completed 8th grade | 79.9% | 80.7% | 84.3% |
| Completed high school | 78.6% | 79.2% | 83.0% |
| Completed some college | 57.1% | 53.8% | 59.4% |
| Completed associate degree | 34.2% | 31.9% | 38.5% |
| Completed bachelors | 23.4% | 24.0% | 30.3% |
| Completed masters | 9.8% | 8.9% | 11.5% |
| Completed professional degree | 2.5% | 2.5% | 3.3% |
| Completed doctorate | 0.6% | 1.0% | 1.3% |
There are a total of 20 public schools, 3 private schools and n/a post-secondary schools in Cullman. Using the proficiency score averages, the average test scores for Cullman, AL schools is 56%. The average student to teacher ratio is 15:1. In Cullman, AL, an average of 79.9% of students have completed 8th grade and an average of 78.6% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Holly Pond, AL | 859 | 53% | 10.1% |
| Baileyton, AL | 1,049 | 52% | 8.3% |
| South Vinemont, AL | 621 | 49% | 2.8% |
| Eva, AL | 551 | 46% | 4.2% |
| Hanceville, AL | 3,471 | 44% | 7.6% |
| Cullman, AL | 16,694 | 56% | 16.5% |
| City | Population | Avg. Test Scores | National Avg. |
| Chickasha, OK | 16,675 | 41% | 14.8% |
| Millbrook, AL | 16,670 | 50% | 3.1% |
| Donna, TX | 16,720 | 36% | 24.8% |
| Stanford, CA | 16,723 | 78% | 61.5% |
| Fairview Park, OH | 16,727 | 66% | 36.5% |
| Cullman, AL | 16,694 | 56% | 16.5% |