Slidell High School, Test Performance
| Year | Test | Grade | Measurement | Score | School District | State Average |
| GEE | ||||||
| 2007 | English Language Arts | 10th Grade | % met std | 71% | 70% | 56% |
| 2008 | English Language Arts | 10th Grade | % met std | 69% | 71% | 58% |
| 2010 | English Language Arts | 10th Grade | % met std | 71% | 74% | 63% |
| 2011 | English Language Arts | 10th Grade | % met std | 68% | 71% | 57% |
| 2007 | Mathematics | 10th Grade | % met std | 70% | 76% | 64% |
| 2008 | Mathematics | 10th Grade | % met std | 72% | 76% | 65% |
| 2010 | Mathematics | 10th Grade | % met std | 73% | 79% | 69% |
| 2011 | Mathematics | 10th Grade | % met std | 73% | 78% | 65% |
| 2007 | Science | 10th Grade | % met std | 72% | 76% | 60% |
| 2008 | Science | 10th Grade | % met std | 67% | 73% | 56% |
| 2010 | Science | 10th Grade | % met std | 67% | 74% | 60% |
| 2011 | Science | 10th Grade | % met std | 63% | 77% | 62% |
| 2007 | Social Studies | 10th Grade | % met std | 77% | 78% | 64% |
| 2008 | Social Studies | 10th Grade | % met std | 74% | 78% | 62% |
| 2010 | Social Studies | 10th Grade | % met std | 76% | 81% | 65% |
| 2011 | Social Studies | 10th Grade | % met std | 72% | 77% | 63% |
| 2012 | Science | 11th Grade | % met std | 80% | 82% | 64% |
| 2012 | Social Studies | 11th Grade | % met std | 87% | 83% | 66% |
| iLEAP | ||||||
| 2007 | English Language Arts | 9th Grade | % met std | 69% | 73% | 58% |
| 2008 | English Language Arts | 9th Grade | % met std | 72% | 74% | 62% |
| 2009 | English Language Arts | 9th Grade | % met std | 77% | 76% | 65% |
| 2010 | English Language Arts | 9th Grade | % met std | 78% | 78% | 64% |
| 2007 | Mathematics | 9th Grade | % met std | 62% | 70% | 57% |
| 2008 | Mathematics | 9th Grade | % met std | 66% | 71% | 61% |
| 2009 | Mathematics | 9th Grade | % met std | 70% | 75% | 64% |
| 2010 | Mathematics | 9th Grade | % met std | 77% | 79% | 65% |
Some data by SchoolDigger.com.
* Slidell High School, Test Performance was rated 4.5 out of 5 by USA.com. The ranking was calculated based on publically available historical Math and English performance data.