| Index | Clay | Alabama | National |
| Average Test Scores | 46% | 44% | 48% |
| Student/Teacher ratio | 16:1 | 15:1 | 16:1 |
| Total public schools | 1 | 1,307 | 79,221 |
| Total private schools | 1 | 353 | 24,874 |
| Total post-secondary schools | n/a | 102 | 7,963 |
| Index | Clay | Alabama | National |
| Completed 8th grade | 90.9% | 80.7% | 84.3% |
| Completed high school | 90.1% | 79.2% | 83.0% |
| Completed some college | 65.5% | 53.8% | 59.4% |
| Completed associate degree | 36.0% | 31.9% | 38.5% |
| Completed bachelors | 24.9% | 24.0% | 30.3% |
| Completed masters | 6.1% | 8.9% | 11.5% |
| Completed professional degree | 1.8% | 2.5% | 3.3% |
| Completed doctorate | 0.7% | 1.0% | 1.3% |
There are a total of 1 public schools, 1 private schools and n/a post-secondary schools in Clay. Using the proficiency score averages, the average test scores for Clay, AL schools is 46%. The average student to teacher ratio is 16:1. In Clay, AL, an average of 90.9% of students have completed 8th grade and an average of 90.1% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Mountain Brook, AL | 20,178 | 86% | 79.5% |
| Trussville, AL | 22,590 | 67% | 38.7% |
| Springville, AL | 4,430 | 64% | 32.3% |
| Moody, AL | 13,004 | 55% | 15.4% |
| Hayden, AL | 1,516 | 53% | 10.4% |
| Clay, AL | 9,936 | 46% | 5.2% |
| City | Population | Avg. Test Scores | National Avg. |
| Box Elder, SD | 9,937 | 54% | 11.7% |
| Gages Lake, IL | 9,939 | 46% | 5.2% |
| Astoria, OR | 9,929 | 41% | 14.2% |
| Warrenton, VA | 9,928 | 82% | 71.3% |
| Wimauma, FL | 9,922 | 49% | 2.5% |
| Clay, AL | 9,936 | 46% | 5.2% |
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