Clayton High School, Test Performance
| Year | Test | Grade | Measurement | Score | School District | State Average |
| OCCT | ||||||
| 2010 | Algebra I | End of course | % met std | 50% | 50% | 69% |
| 2011 | Algebra I | End of course | % met std | 35% | 35% | 74% |
| 2010 | English II | End of course | % met std | 77% | 77% | 85% |
| 2011 | English II | End of course | % met std | 92% | 92% | 86% |
| 2009 | Math | End of course | % met std | 58% | 58% | 81% |
| 2009 | Reading | End of course | % met std | 90% | 90% | 77% |
| 2009 | Science | End of course | % met std | 79% | 79% | N/A |
| 2010 | Science | End of course | % met std | 77% | 77% | 75% |
| 2011 | Science | End of course | % met std | 91% | 91% | 79% |
Some data by SchoolDigger.com.