| Index | Clayton | Washington | National |
| Average Test Scores | n/a | 54% | 48% |
| Student/Teacher ratio | n/a | 20:1 | 16:1 |
| Total public schools | n/a | 1,991 | 79,221 |
| Total private schools | n/a | 548 | 24,874 |
| Total post-secondary schools | n/a | 147 | 7,963 |
| Index | Clayton | Washington | National |
| Completed 8th grade | 71.7% | 87.5% | 84.3% |
| Completed high school | 71.7% | 86.6% | 83.0% |
| Completed some college | 41.1% | 67.7% | 59.4% |
| Completed associate degree | 2.3% | 43.3% | 38.5% |
| Completed bachelors | 0.0% | 33.6% | 30.3% |
| Completed masters | 0.0% | 12.3% | 11.5% |
| Completed professional degree | 0.0% | 3.6% | 3.3% |
| Completed doctorate | 0.0% | 1.5% | 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, WA schools is n/a. The average student to teacher ratio is n/a. In Clayton, WA, an average of 71.7% of students have completed 8th grade and an average of 71.7% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Deer Park, WA | 4,209 | 57% | 19.0% |
| Valley, WA | 122 | 47% | 1.4% |
| Loon Lake, WA | 689 | 44% | 9.4% |
| Springdale, WA | 477 | 40% | 15.9% |
| Clayton, WA | 361 | n/a |
| City | Population | Avg. Test Scores | National Avg. |
| Casar, NC | 361 | 57% | 18.8% |
| Hopkins, MO | 361 | 30% | 38.5% |
| Poyen, AR | 361 | 46% | 4.7% |
| Kipnuk, AK | 360 | 7% | 86.5% |
| Speculator, NY | 360 | 50% | 4.2% |
| Clayton, WA | 361 | n/a |
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