| Index | Clayton | Kansas | National |
| Average Test Scores | n/a | 35% | 48% |
| Student/Teacher ratio | n/a | 14:1 | 16:1 |
| Total public schools | n/a | 970 | 79,221 |
| Total private schools | n/a | 190 | 24,874 |
| Total post-secondary schools | n/a | 86 | 7,963 |
| Index | Clayton | Kansas | National |
| Completed 8th grade | 79.1% | 87.4% | 84.3% |
| Completed high school | 70.1% | 86.1% | 83.0% |
| Completed some college | 38.8% | 63.7% | 59.4% |
| Completed associate degree | 11.9% | 39.8% | 38.5% |
| Completed bachelors | 10.4% | 31.6% | 30.3% |
| Completed masters | 3.0% | 11.4% | 11.5% |
| Completed professional degree | 0.0% | 3.0% | 3.3% |
| Completed doctorate | 0.0% | 1.2% | 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, KS schools is n/a. The average student to teacher ratio is n/a. In Clayton, KS, an average of 79.1% of students have completed 8th grade and an average of 70.1% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Clayton, KS | 75 | n/a |
| City | Population | Avg. Test Scores | National Avg. |
| Omaha, AR | 75 | 51% | 5.7% |
| Church Creek, MD | 75 | 65% | 34.4% |
| Gabbs, NV | 75 | 50% | 4.2% |
| Harrisburg, NE | 75 | 48% | 1.0% |
| Branson, CO | 75 | 30% | 38.0% |
| Clayton, KS | 75 | n/a |
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