Watertown High School, Test Performance
| Year | Test | Grade | Measurement | Score | School District | State Average |
| CAPT | ||||||
| 2007 | Mathematics | 10th Grade | % met std | 87.6% | 87.6% | 77.2% |
| 2008 | Mathematics | 10th Grade | % met std | 81.1% | 81.1% | 79.7% |
| 2009 | Mathematics | 10th Grade | % met std | 86.8% | 86.8% | 78.4% |
| 2010 | Mathematics | 10th Grade | % met std | 77.6% | 77.6% | 78.8% |
| 2011 | Mathematics | 10th Grade | % met std | 85.1% | 85.1% | 80.3% |
| 2012 | Mathematics | 10th Grade | % met std | 71.5% | 71.6% | 78.8% |
| 2013 | Mathematics | 10th Grade | % met std | 76.6% | 75.9% | 78.6% |
| 2007 | Reading Across the Disciplines | 10th Grade | % met std | 83.3% | 83.3% | 79.7% |
| 2008 | Reading Across the Disciplines | 10th Grade | % met std | 89.4% | 89% | 82.7% |
| 2009 | Reading Across the Disciplines | 10th Grade | % met std | 87.1% | 86.8% | 81.8% |
| 2010 | Reading Across the Disciplines | 10th Grade | % met std | 84.1% | 84.1% | 82.9% |
| 2011 | Reading Across the Disciplines | 10th Grade | % met std | 90% | 90% | 81.9% |
| 2012 | Reading Across the Disciplines | 10th Grade | % met std | 81.7% | 81.7% | 80.9% |
| 2013 | Reading Across the Disciplines | 10th Grade | % met std | 92.5% | 92.1% | 81.0% |
| 2007 | Science | 10th Grade | % met std | 88.8% | 88.8% | 81.4% |
| 2008 | Science | 10th Grade | % met std | 86.3% | 86.3% | 80.5% |
| 2009 | Science | 10th Grade | % met std | 90.3% | 89.9% | 78.4% |
| 2010 | Science | 10th Grade | % met std | 80.4% | 80.4% | 81.5% |
| 2011 | Science | 10th Grade | % met std | 89.9% | 89.9% | 81.7% |
| 2012 | Science | 10th Grade | % met std | 90.3% | 90.4% | 80.2% |
| 2013 | Science | 10th Grade | % met std | 89.3% | 88.0% | 81.7% |
| 2007 | Writing Across the Disciplines | 10th Grade | % met std | 81.7% | 81.4% | 82.2% |
| 2008 | Writing Across the Disciplines | 10th Grade | % met std | 90.2% | 90.2% | 88.2% |
| 2009 | Writing Across the Disciplines | 10th Grade | % met std | 90.4% | 90.1% | 86.5% |
| 2010 | Writing Across the Disciplines | 10th Grade | % met std | 86.6% | 86.6% | 86.2% |
| 2011 | Writing Across the Disciplines | 10th Grade | % met std | 93.1% | 93.1% | 88.6% |
| 2012 | Writing Across the Disciplines | 10th Grade | % met std | 91.7% | 91.8% | 88.8% |
| 2013 | Writing Across the Disciplines | 10th Grade | % met std | 93.4% | 92.5% | 88.9% |
Some data by SchoolDigger.com.
* Watertown High School, 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.