Nashua High School South, Test Performance
| Year | Test | Grade | Measurement | Score | School District | State Average |
| NECAP | ||||||
| 2009 | Mathematics | 11th Grade | % met std | 31% | 31% | 32% |
| 2010 | Mathematics | 11th Grade | % met std | 24% | 27% | 33% |
| 2011 | Mathematics | 11th Grade | % met std | 31% | 30% | 36% |
| 2012 | Mathematics | 11th Grade | % met std | 30% | 29% | 36% |
| 2013 | Mathematics | 11th Grade | % met std | 31% | 26% | 37% |
| 2009 | Reading | 11th Grade | % met std | 70% | 65% | 72% |
| 2010 | Reading | 11th Grade | % met std | 72% | 73% | 73% |
| 2011 | Reading | 11th Grade | % met std | 71% | 69% | 74% |
| 2012 | Reading | 11th Grade | % met std | 69% | 68% | 77% |
| 2013 | Reading | 11th Grade | % met std | 64% | 63% | 77% |
| 2009 | Writing | 11th Grade | % met std | 34% | 33% | 39% |
| 2010 | Writing | 11th Grade | % met std | 54% | 52% | 50% |
| 2011 | Writing | 11th Grade | % met std | 35% | 36% | 45% |
| 2012 | Writing | 11th Grade | % met std | 47% | 42% | 46% |
| 2013 | Writing | 11th Grade | % met std | 37% | 36% | 41% |
Some data by SchoolDigger.com.
* Nashua High School South, Test Performance was rated 4 out of 5 by USA.com. The ranking was calculated based on publically available historical Math and English performance data.