| Index | Clayton | Oklahoma | National |
| Average Test Scores | 26% | 32% | 48% |
| Student/Teacher ratio | n/a | 22:1 | 16:1 |
| Total public schools | n/a | 1,346 | 79,221 |
| Total private schools | n/a | 159 | 24,874 |
| Total post-secondary schools | n/a | 178 | 7,963 |

| Index | Clayton | Oklahoma | National |
| Completed 8th grade | 70.1% | 83.5% | 84.3% |
| Completed high school | 68.0% | 82.2% | 83.0% |
| Completed some college | 41.8% | 55.6% | 59.4% |
| Completed associate degree | 19.0% | 31.9% | 38.5% |
| Completed bachelors | 11.1% | 24.5% | 30.3% |
| Completed masters | 3.4% | 8.1% | 11.5% |
| Completed professional degree | 0.2% | 2.3% | 3.3% |
| Completed doctorate | 0.2% | 1.0% | 1.3% |
There are a total of n/a 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, OK schools is 26%. The average student to teacher ratio is n/a. In Clayton, OK, an average of 70.1% of students have completed 8th grade and an average of 68.0% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Albion, OK | 87 | 25% | 47.9% |
| Tuskahoma, OK | 74 | 13% | 74.0% |
| Clayton, OK | 640 | 26% | 45.8% |
| City | Population | Avg. Test Scores | National Avg. |
| Solomon, AZ | 640 | 50% | 3.1% |
| Ivanhoe, MN | 640 | 60% | 25.0% |
| Louisville, AL | 639 | 16% | 66.7% |
| Stebbins, AK | 641 | 5% | 89.6% |
| Bradley, AR | 639 | 40% | 17.7% |
| Clayton, OK | 640 | 26% | 45.8% |