Irmo High High School, Test Performance
| Year | Test | Grade | Measurement | Score | School District | State Average |
| HSAP | ||||||
| 2005 | English Language Arts | 10th Grade | % met std | 92.9% | 95.5% | 86.2% |
| 2006 | English Language Arts | 10th Grade | % met std | 90.1% | 93.4% | 84.9% |
| 2007 | English Language Arts | 10th Grade | % met std | 93.7% | 95.5% | 88.1% |
| 2008 | English Language Arts | 10th Grade | % met std | 91.5% | 94.8% | 87.7% |
| 2009 | English Language Arts | 10th Grade | % met std | 88.8% | 92.5% | 84.9% |
| 2010 | English Language Arts | 10th Grade | % met std | 60.8% | 71.9% | 54.3% |
| 2011 | English Language Arts | 10th Grade | % met std | 66.8% | 74.6% | 60.6% |
| 2012 | English Language Arts | 10th Grade | % met std | 57.2% | 72.4% | 57.4% |
| 2013 | English Language Arts | 10th Grade | % met std | 61.5% | 75.7% | 61.4% |
| 2005 | Math | 10th Grade | % met std | 87.4% | 92.3% | 76.4% |
| 2006 | Math | 10th Grade | % met std | 85.8% | 91.1% | 80.2% |
| 2007 | Math | 10th Grade | % met std | 85.3% | 89.7% | 79.6% |
| 2008 | Math | 10th Grade | % met std | 88% | 92.4% | 84.6% |
| 2009 | Math | 10th Grade | % met std | 88% | 91.4% | 80.2% |
| 2010 | Math | 10th Grade | % met std | 60.8% | 72.5% | 50.9% |
| 2011 | Math | 10th Grade | % met std | 58.7% | 69.6% | 51.8% |
| 2012 | Math | 10th Grade | % met std | 63.6% | 75.6% | 54.2% |
| 2013 | Math | 10th Grade | % met std | 60.7% | 73.5% | 53.1% |
Some data by SchoolDigger.com.
* Irmo High High School, Test Performance was rated 5 out of 5 by USA.com. The ranking was calculated based on publically available historical Math and English performance data.