Chatsworth School, Test Performance
| Year | Test | Grade | Measurement | Score | School District | State Average |
| MSA | ||||||
| 2004 | Math | 3rd Grade | % met std | 71.3% | 73.1% | 72.2% |
| 2005 | Math | 3rd Grade | % met std | 83.3% | 78.2% | 76.8% |
| 2006 | Math | 3rd Grade | % met std | 89.8% | 77.6% | 79.1% |
| 2007 | Math | 3rd Grade | % met std | 79.2% | 81.4% | 78.6% |
| 2008 | Math | 3rd Grade | % met std | 86.7% | 83.2% | 82.6% |
| 2009 | Math | 3rd Grade | % met std | 81.1% | 85.7% | 84.3% |
| 2010 | Math | 3rd Grade | % met std | 91.0% | 87.2% | 86.0% |
| 2011 | Math | 3rd Grade | % met std | 84.7% | 89.1% | 86.3% |
| 2012 | Math | 3rd Grade | % met std | 85.0% | 91.4% | 87.7% |
| 2013 | Math | 3rd Grade | % met std | 87.5% | 87.2% | 82.2% |
| 2004 | Reading | 3rd Grade | % met std | 76.3% | 76.2% | 71.0% |
| 2005 | Reading | 3rd Grade | % met std | 84.6% | 81.4% | 75.8% |
| 2006 | Reading | 3rd Grade | % met std | 88.4% | 81.8% | 78.3% |
| 2007 | Reading | 3rd Grade | % met std | 89.6% | 83.4% | 80.5% |
| 2008 | Reading | 3rd Grade | % met std | 89.7% | 85.0% | 83.0% |
| 2009 | Reading | 3rd Grade | % met std | 89.8% | 87.5% | 84.9% |
| 2010 | Reading | 3rd Grade | % met std | 95.5% | 86.7% | 84.0% |
| 2011 | Reading | 3rd Grade | % met std | 75.7% | 87.9% | 85.1% |
| 2012 | Reading | 3rd Grade | % met std | 90.0% | 88.3% | 85.0% |
| 2013 | Reading | 3rd Grade | % met std | 85.9% | 85.6% | 82.6% |
| 2004 | Math | 4th Grade | % met std | 70.1% | 72.0% | 69.6% |
| 2005 | Math | 4th Grade | % met std | 82.0% | 77.2% | 76.5% |
| 2006 | Math | 4th Grade | % met std | 89.3% | 84.4% | 82.1% |
| 2007 | Math | 4th Grade | % met std | 87.8% | 88.0% | 86% |
| 2008 | Math | 4th Grade | % met std | 86.0% | 90.0% | 88.6% |
| 2009 | Math | 4th Grade | % met std | 84.7% | 90.1% | 89.2% |
| 2010 | Math | 4th Grade | % met std | 90.9% | 91.9% | 90.2% |
| 2011 | Math | 4th Grade | % met std | 94.0% | 93% | 90.3% |
| 2012 | Math | 4th Grade | % met std | 84.2% | 92.8% | 89.8% |
| 2013 | Math | 4th Grade | % met std | 91.8% | 92.7% | 88.8% |
| 2004 | Reading | 4th Grade | % met std | 70.1% | 80.7% | 75.1% |
| 2005 | Reading | 4th Grade | % met std | 86.1% | 86.1% | 81.0% |
| 2006 | Reading | 4th Grade | % met std | 92.0% | 86.0% | 81.8% |
| 2007 | Reading | 4th Grade | % met std | 92.4% | 87.6% | 86.0% |
| 2008 | Reading | 4th Grade | % met std | 87.3% | 88.9% | 88.4% |
| 2009 | Reading | 4th Grade | % met std | 87.5% | 86.9% | 86.7% |
| 2010 | Reading | 4th Grade | % met std | 94.0% | 88.9% | 87.4% |
| 2011 | Reading | 4th Grade | % met std | 95.5% | 91.0% | 88.7% |
| 2012 | Reading | 4th Grade | % met std | 85.6% | 92.6% | 89.8% |
| 2013 | Reading | 4th Grade | % met std | 85.2% | 91.6% | 88.2% |
| 2004 | Math | 5th Grade | % met std | 69.5% | 61.6% | 63.1% |
| 2005 | Math | 5th Grade | % met std | 63.1% | 70.0% | 69.2% |
| 2006 | Math | 5th Grade | % met std | 75.0% | 72.3% | 73.4% |
| 2007 | Math | 5th Grade | % met std | 74.3% | 79.3% | 78.3% |
| 2008 | Math | 5th Grade | % met std | 82.8% | 80.2% | 80.5% |
| 2009 | Math | 5th Grade | % met std | 73.6% | 80.8% | 81.2% |
| 2010 | Math | 5th Grade | % met std | 79.2% | 84.2% | 83.2% |
| 2011 | Math | 5th Grade | % met std | 84.4% | 84.4% | 82.2% |
| 2012 | Math | 5th Grade | % met std | 96.7% | 88.1% | 85.3% |
| 2013 | Math | 5th Grade | % met std | 78.6% | 84.0% | 80.8% |
| 2004 | Reading | 5th Grade | % met std | 74.4% | 72.9% | 68.4% |
| 2005 | Reading | 5th Grade | % met std | 77.4% | 78.6% | 74.3% |
| 2006 | Reading | 5th Grade | % met std | 86.2% | 79.4% | 76.6% |
| 2007 | Reading | 5th Grade | % met std | 76.9% | 78.4% | 76.7% |
| 2008 | Reading | 5th Grade | % met std | 85.9% | 87.1% | 86.7% |
| 2009 | Reading | 5th Grade | % met std | 86.1% | 90.3% | 89.5% |
| 2010 | Reading | 5th Grade | % met std | 83.6% | 90.4% | 89.4% |
| 2011 | Reading | 5th Grade | % met std | 92.3% | 92.2% | 90.2% |
| 2012 | Reading | 5th Grade | % met std | 96.7% | 91.4% | 90.0% |
| 2013 | Reading | 5th Grade | % met std | 80.0% | 91.3% | 88.4% |
Some data by SchoolDigger.com.