| Index | Clayton | New Mexico | National |
| Average Test Scores | 37% | 27% | 48% |
| Student/Teacher ratio | 13:1 | 15:1 | 16:1 |
| Total public schools | 4 | 667 | 79,221 |
| Total private schools | n/a | 163 | 24,874 |
| Total post-secondary schools | n/a | 55 | 7,963 |
| Index | Clayton | New Mexico | National |
| Completed 8th grade | 63.3% | 81.4% | 84.3% |
| Completed high school | 60.1% | 80.0% | 83.0% |
| Completed some college | 34.5% | 58.2% | 59.4% |
| Completed associate degree | 14.8% | 34.7% | 38.5% |
| Completed bachelors | 9.3% | 26.7% | 30.3% |
| Completed masters | 3.1% | 11.6% | 11.5% |
| Completed professional degree | 0.1% | 3.4% | 3.3% |
| Completed doctorate | 0.0% | 1.8% | 1.3% |
There are a total of 4 public schools, n/a private schools and n/a post-secondary schools in Clayton. Using the proficiency score averages, the average test scores for Clayton, NM schools is 37%. The average student to teacher ratio is 13:1. In Clayton, NM, an average of 63.3% of students have completed 8th grade and an average of 60.1% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Texline, TX | 315 | 42% | 12.5% |
| Clayton, NM | 3,079 | 37% | 22.9% |
| City | Population | Avg. Test Scores | National Avg. |
| Greenwood Lake, NY | 3,080 | 75% | 56.3% |
| Brazoria, TX | 3,077 | 35% | 28.1% |
| Hampton, SC | 3,077 | 41% | 14.1% |
| Silt, CO | 3,076 | 43% | 10.4% |
| Calera, OK | 3,082 | 26% | 45.8% |
| Clayton, NM | 3,079 | 37% | 22.9% |
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