Clarkson Elementary School, Test Performance
| Year | Test | Grade | Measurement | Score | School District | State Average |
| NeSA | ||||||
| 2011 | Mathematics | 3rd Grade | Average Scaled Score | 90.91 | 90.91 | 103.49 |
| 2013 | Mathematics | 3rd Grade | Average Scaled Score | 109.07 | 109.07 | 110.06 |
| 2011 | Reading | 3rd Grade | Average Scaled Score | 108.73 | 108.73 | 104.41 |
| 2012 | Reading | 3rd Grade | Average Scaled Score | 112.60 | 112.60 | 108.66 |
| 2013 | Reading | 3rd Grade | Average Scaled Score | 118.86 | 118.86 | 111.04 |
| 2012 | Mathematics | 4th Grade | Average Scaled Score | 96.23 | 96.23 | 106.36 |
| 2013 | Mathematics | 4th Grade | Average Scaled Score | 119.50 | 119.50 | 108.63 |
| 2012 | Reading | 4th Grade | Average Scaled Score | 107.23 | 107.23 | 111.62 |
| 2013 | Reading | 4th Grade | Average Scaled Score | 128.17 | 128.17 | 114.70 |
| 2013 | Writing | 4th Grade | Average Scaled Score | 35.70 | 35.70 | 43.59 |
| 2013 | Mathematics | 5th Grade | Average Scaled Score | 113.09 | 113.09 | 108.93 |
| 2013 | Reading | 5th Grade | Average Scaled Score | 110.55 | 110.55 | 118.18 |
| 2013 | Science | 5th Grade | Average Scaled Score | 108.64 | 108.64 | 104.29 |
| 2011 | Mathematics | 6th Grade | Average Scaled Score | 98.91 | 98.91 | 100.35 |
| 2010 | Reading | 6th Grade | Average Scaled Score | 106.77 | 106.77 | 101.38 |
| 2011 | Reading | 6th Grade | Average Scaled Score | 115.45 | 115.45 | 108.81 |
Some data by SchoolDigger.com.
* Clarkson Elementary School, Test Performance was rated 3 out of 5 by USA.com. The ranking was calculated based on publically available historical Math and English performance data.