Decatur Central High School, Test Performance
| Year | Test | Grade | Measurement | Score | School District | State Average |
| ECA | ||||||
| 2010 | Algebra I | End of course | % met std | 56% | 69% | 61% |
| 2011 | Algebra I | End of course | % met std | 72.5% | 77.6% | 72.4% |
| 2012 | Algebra I | End of course | % met std | 68.8% | 71.0% | N/A |
| 2010 | Biology I | End of course | % met std | 25% | 25% | 37% |
| 2011 | Biology I | End of course | % met std | 33.1% | 33.9% | 46.9% |
| 2012 | Biology I | End of course | % met std | 31.8% | 30.8% | N/A |
| 2010 | English 10 | End of course | % met std | 55% | 55% | 63% |
| 2011 | English 10 | End of course | % met std | 55.6% | 56.5% | 71.9% |
| 2012 | English 10 | End of course | % met std | 65.6% | 66.5% | N/A |
| ISTEP+ | ||||||
| 2005 | English/Language Arts | 10th Grade | % met std | 57% | 57% | 68% |
| 2006 | English/Language Arts | 10th Grade | % met std | 63% | 63% | 68% |
| 2007 | English/Language Arts | 10th Grade | % met std | 58% | 58% | 67% |
| 2008 | English/Language Arts | 10th Grade | % met std | 61% | 61% | 68% |
| 2009 | English/Language Arts | 10th Grade | % met std | 60% | 60% | 67% |
| 2005 | Math | 10th Grade | % met std | 60% | 60% | 64% |
| 2006 | Math | 10th Grade | % met std | 63% | 63% | 64% |
| 2007 | Math | 10th Grade | % met std | 55% | 55% | 65% |
| 2008 | Math | 10th Grade | % met std | 56% | 56% | 66% |
| 2009 | Math | 10th Grade | % met std | 56% | 56% | 65% |
| 2005 | English/Language Arts | 9th Grade | % met std | 50% | 50% | 66% |
| 2006 | English/Language Arts | 9th Grade | % met std | 63% | 63% | 67% |
| 2007 | English/Language Arts | 9th Grade | % met std | 61% | 61% | 68% |
| 2008 | English/Language Arts | 9th Grade | % met std | 57% | 57% | 66% |
| 2005 | Math | 9th Grade | % met std | 59% | 59% | 68% |
| 2006 | Math | 9th Grade | % met std | 64% | 64% | 71% |
| 2007 | Math | 9th Grade | % met std | 58% | 58% | 67% |
| 2008 | Math | 9th Grade | % met std | 57% | 57% | 70% |
Some data by SchoolDigger.com.
* Decatur Central High School, Test Performance was rated 3.5 out of 5 by USA.com. The ranking was calculated based on publically available historical Math and English performance data.