| Index | Clayton | North Carolina | National |
| Average Test Scores | 43% | 43% | 48% |
| Student/Teacher ratio | 14:1 | 15:1 | 16:1 |
| Total public schools | 9 | 1,895 | 79,221 |
| Total private schools | 1 | 510 | 24,874 |
| Total post-secondary schools | n/a | 183 | 7,963 |
| Index | Clayton | North Carolina | National |
| Completed 8th grade | 89.0% | 83.4% | 84.3% |
| Completed high school | 87.5% | 81.9% | 83.0% |
| Completed some college | 66.6% | 59.9% | 59.4% |
| Completed associate degree | 44.9% | 38.1% | 38.5% |
| Completed bachelors | 33.8% | 29.0% | 30.3% |
| Completed masters | 9.7% | 10.2% | 11.5% |
| Completed professional degree | 1.3% | 2.9% | 3.3% |
| Completed doctorate | 0.8% | 1.3% | 1.3% |
There are a total of 9 public schools, 1 private schools and n/a post-secondary schools in Clayton. Using the proficiency score averages, the average test scores for Clayton, NC schools is 43%. The average student to teacher ratio is 14:1. In Clayton, NC, an average of 89.0% of students have completed 8th grade and an average of 87.5% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Raleigh, NC | 469,698 | 47% | 1.8% |
| Smithfield, NC | 12,697 | 43% | 11.5% |
| Garner, NC | 30,345 | 38% | 21.9% |
| Zebulon, NC | 5,712 | 36% | 25.6% |
| Wendell, NC | 7,962 | 35% | 26.5% |
| Clayton, NC | 23,179 | 43% | 11.0% |
| City | Population | Avg. Test Scores | National Avg. |
| Bluffton, SC | 23,176 | 59% | 22.6% |
| Oxford, OH | 23,192 | 73% | 51.7% |
| Blue Island, IL | 23,160 | 22% | 54.5% |
| Copiague, NY | 23,200 | 53% | 9.4% |
| Simpsonville, SC | 23,200 | 63% | 31.7% |
| Clayton, NC | 23,179 | 43% | 11.0% |
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