Merrimack High School, Test Performance
| Year | Test | Grade | Measurement | Score | School District | State Average |
| NECAP | ||||||
| 2009 | Mathematics | 11th Grade | % met std | 27% | 27% | 32% |
| 2010 | Mathematics | 11th Grade | % met std | 34% | 33% | 33% |
| 2011 | Mathematics | 11th Grade | % met std | 44% | 43% | 36% |
| 2012 | Mathematics | 11th Grade | % met std | 48% | 47% | 36% |
| 2013 | Mathematics | 11th Grade | % met std | 45% | 44% | 37% |
| 2009 | Reading | 11th Grade | % met std | 64% | 63% | 72% |
| 2010 | Reading | 11th Grade | % met std | 60% | 60% | 73% |
| 2011 | Reading | 11th Grade | % met std | 85% | 83% | 74% |
| 2012 | Reading | 11th Grade | % met std | 84% | 83% | 77% |
| 2013 | Reading | 11th Grade | % met std | 85% | 83% | 77% |
| 2009 | Writing | 11th Grade | % met std | 33% | 32% | 39% |
| 2010 | Writing | 11th Grade | % met std | 32% | 32% | 50% |
| 2011 | Writing | 11th Grade | % met std | 54% | 53% | 45% |
| 2012 | Writing | 11th Grade | % met std | 47% | 46% | 46% |
| 2013 | Writing | 11th Grade | % met std | 48% | 47% | 41% |
Some data by SchoolDigger.com.
* Merrimack High School, Test Performance was rated 4.5 out of 5 by USA.com. The ranking was calculated based on publically available historical Math and English performance data.