Decatur High School, Test Performance
| Year | Test | Grade | Measurement | Score | School District | State Average |
| ACTAAP | ||||||
| 2007 | Literacy | 11th Grade | % met std | 39% | 39% | 50% |
| 2008 | Literacy | 11th Grade | % met std | 32% | 32% | 51% |
| 2009 | Literacy | 11th Grade | % met std | 52% | 52% | 56% |
| 2010 | Literacy | 11th Grade | % met std | 37% | 37% | 60% |
| 2011 | Literacy | 11th Grade | % met std | 56% | 56% | 65% |
| 2012 | Literacy | 11th Grade | % met std | 53% | 53% | 68% |
| 2013 | Literacy | 11th Grade | % met std | 61% | 61% | 70% |
| 2011 | Literacy | 7th Grade | % met std | 62% | 62% | 67% |
| 2012 | Literacy | 7th Grade | % met std | 84% | 84% | 80% |
| 2013 | Literacy | 7th Grade | % met std | 60% | 60% | 77% |
| 2011 | Mathematics | 7th Grade | % met std | 72% | 72% | 74% |
| 2012 | Mathematics | 7th Grade | % met std | 68% | 68% | 77% |
| 2013 | Mathematics | 7th Grade | % met std | 43% | 43% | 70% |
| 2011 | Science | 7th Grade | % met std | 19% | 19% | 39% |
| 2012 | Science | 7th Grade | % met std | 32% | 32% | 41% |
| 2013 | Science | 7th Grade | % met std | 13% | 13% | 41% |
| 2005 | Literacy | 8th Grade | % met std | 56% | 56% | 57% |
| 2006 | Literacy | 8th Grade | % met std | 61% | 61% | 66% |
| 2007 | Literacy | 8th Grade | % met std | 60% | 60% | 63% |
| 2008 | Literacy | 8th Grade | % met std | 65% | 65% | 67% |
| 2009 | Literacy | 8th Grade | % met std | 80% | 80% | 71% |
| 2011 | Literacy | 8th Grade | % met std | 76% | 76% | 77% |
| 2012 | Literacy | 8th Grade | % met std | 72% | 72% | 80% |
| 2013 | Literacy | 8th Grade | % met std | 78% | 78% | 77% |
| 2005 | Mathematics | 8th Grade | % met std | 14% | 14% | 33% |
| 2006 | Mathematics | 8th Grade | % met std | 47% | 47% | 44% |
| 2007 | Mathematics | 8th Grade | % met std | 23% | 23% | 47% |
| 2008 | Mathematics | 8th Grade | % met std | 45% | 45% | 56% |
| 2009 | Mathematics | 8th Grade | % met std | 63% | 63% | 62% |
| 2011 | Mathematics | 8th Grade | % met std | 60% | 60% | 63% |
| 2012 | Mathematics | 8th Grade | % met std | 50% | 50% | 68% |
| 2013 | Mathematics | 8th Grade | % met std | 57% | 57% | 65% |
| 2006 | Algebra I | End of course | % met std | 63% | 63% | 65% |
| 2007 | Algebra I | End of course | % met std | 55% | 55% | 62% |
| 2008 | Algebra I | End of course | % met std | 61% | 61% | 66% |
| 2009 | Algebra I | End of course | % met std | 67% | 67% | 70% |
| 2010 | Algebra I | End of course | % met std | 71% | 78% | 76% |
| 2011 | Algebra I | End of course | % met std | 70% | 70% | 78% |
| 2012 | Algebra I | End of course | % met std | 59% | 59% | 80% |
| 2013 | Algebra I | End of course | % met std | 68% | 68% | 77% |
| 2009 | Biology | End of course | % met std | 33% | 33% | 41% |
| 2010 | Biology | End of course | % met std | 29% | 29% | 36% |
| 2011 | Biology | End of course | % met std | 41% | 41% | 41% |
| 2012 | Biology | End of course | % met std | 40% | 40% | 43% |
| 2013 | Biology | End of course | % met std | 46% | 46% | 44% |
| 2006 | Geometry | End of course | % met std | 65% | 65% | 60% |
| 2007 | Geometry | End of course | % met std | 41% | 41% | 59% |
| 2008 | Geometry | End of course | % met std | 69% | 69% | 60% |
| 2009 | Geometry | End of course | % met std | 68% | 68% | 66% |
| 2010 | Geometry | End of course | % met std | 81% | 81% | 69% |
| 2011 | Geometry | End of course | % met std | 87% | 87% | 73% |
| 2012 | Geometry | End of course | % met std | 68% | 68% | 76% |
| 2013 | Geometry | End of course | % met std | 79% | 79% | 72% |
| 2006 | Literacy | End of course | % met std | 54% | 54% | 45% |
Some data by SchoolDigger.com.
* Decatur High School, Test Performance was rated 2 out of 5 by USA.com. The ranking was calculated based on publically available historical Math and English performance data.