| 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 |
| 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 | 837 | 53% | 10.1% |
| Baileyton, AL | 1,012 | 52% | 8.3% |
| South Vinemont, AL | 600 | 49% | 2.8% |
| Eva, AL | 538 | 46% | 4.2% |
| Hanceville, AL | 3,377 | 44% | 7.6% |
| Cullman, AL | 16,072 | 56% | 16.5% |
| City | Population | Avg. Test Scores | National Avg. |
| Harrisburg, NC | 16,073 | 55% | 14.3% |
| Albemarle, NC | 16,073 | 39% | 19.2% |
| Zephyrhills, FL | 16,062 | 48% | 0.7% |
| Crawfordsville, IN | 16,088 | 44% | 8.0% |
| Sulphur Springs, TX | 16,091 | 43% | 10.9% |
| Cullman, AL | 16,072 | 56% | 16.5% |
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