| Index | Cardiff | Alabama | National |
| Average Test Scores | n/a | 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 | Cardiff | Alabama | National |
| Completed 8th grade | 29.2% | 80.7% | 84.3% |
| Completed high school | 29.2% | 79.2% | 83.0% |
| Completed some college | 25.0% | 53.8% | 59.4% |
| Completed associate degree | 8.3% | 31.9% | 38.5% |
| Completed bachelors | 8.3% | 24.0% | 30.3% |
| Completed masters | 4.2% | 8.9% | 11.5% |
| Completed professional degree | 0.0% | 2.5% | 3.3% |
| Completed doctorate | 0.0% | 1.0% | 1.3% |
There are a total of n/a public schools, n/a private schools and n/a post-secondary schools in Cardiff. Using the proficiency score averages, the average test scores for Cardiff, AL schools is n/a. The average student to teacher ratio is n/a. In Cardiff, AL, an average of 29.2% of students have completed 8th grade and an average of 29.2% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Mountain Brook, AL | 20,178 | 86% | 79.5% |
| Vestavia Hills, AL | 34,482 | 81% | 69.0% |
| Homewood, AL | 25,170 | 71% | 48.8% |
| Mount Olive, AL | 4,052 | 57% | 18.8% |
| Kimberly, AL | 3,551 | 52% | 8.9% |
| Cardiff, AL | 46 | n/a |
| City | Population | Avg. Test Scores | National Avg. |
| Paynes Creek, CA | 47 | 50% | 4.2% |
| Interior, SD | 47 | 50% | 4.2% |
| Hamer, ID | 45 | 50% | 4.2% |
| Seven Springs, NC | 44 | 35% | 27.6% |
| Crestone, CO | 44 | 18% | 63.5% |
| Cardiff, AL | 46 | n/a |
Here are the best places to live in Alabama
Most Dangerous Cities In The US
These are the 10 cheapest cities in Alabama
Check out the 10 most dangerous cities in Alabama