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Glenbrook North High School, Test Performance
| Year | Test | Grade | Measurement | Score | School District | State Average |
| PSAE | ||||||
| 2003 | Math | 11th Grade | % met std | 87.4% | 84.6% | 53.3% |
| 2004 | Math | 11th Grade | % met std | 85.2% | 82.9% | 53.1% |
| 2005 | Math | 11th Grade | % met std | 85.0% | 83.1% | 52.8% |
| 2006 | Math | 11th Grade | % met std | 84.4% | 81.5% | 53.7% |
| 2007 | Math | 11th Grade | % met std | 87.6% | 84.4% | 52.7% |
| 2008 | Math | 11th Grade | % met std | 85.5% | 81.9% | 53.0% |
| 2009 | Math | 11th Grade | % met std | 85.4% | 82.0% | 51.6% |
| 2010 | Math | 11th Grade | % met std | 87.1% | 84.5% | 52.7% |
| 2011 | Math | 11th Grade | % met std | 89.9% | 83.3% | 51.3% |
| 2012 | Math | 11th Grade | % met std | 86.4% | 84.8% | 51.6% |
| 2013 | Math | 11th Grade | % met std | 86.2% | 84.7% | 51.8% |
| 2003 | Reading | 11th Grade | % met std | 83.5% | 82.8% | 56.4% |
| 2004 | Reading | 11th Grade | % met std | 85.6% | 82.2% | 56.8% |
| 2005 | Reading | 11th Grade | % met std | 84.3% | 80.6% | 59.5% |
| 2006 | Reading | 11th Grade | % met std | 84% | 82% | 58.4% |
| 2007 | Reading | 11th Grade | % met std | 84.8% | 79.8% | 54.0% |
| 2008 | Reading | 11th Grade | % met std | 81.7% | 76.3% | 53.3% |
| 2009 | Reading | 11th Grade | % met std | 82.9% | 77.8% | 56.9% |
| 2010 | Reading | 11th Grade | % met std | 83.2% | 78.4% | 54.0% |
| 2011 | Reading | 11th Grade | % met std | 84.6% | 77.7% | 51.1% |
| 2012 | Reading | 11th Grade | % met std | 80.1% | 78.4% | 50.6% |
| 2013 | Reading | 11th Grade | % met std | 84.2% | 82.8% | 54.8% |
| 2003 | Science | 11th Grade | % met std | 83.7% | 79.3% | 51.3% |
| 2004 | Science | 11th Grade | % met std | 85% | 81.3% | 52.9% |
| 2005 | Science | 11th Grade | % met std | 85.1% | 79.7% | 52.5% |
| 2006 | Science | 11th Grade | % met std | 80.2% | 75.5% | 50.8% |
| 2007 | Science | 11th Grade | % met std | 82.4% | 78.1% | 51.0% |
| 2008 | Science | 11th Grade | % met std | 84.1% | 78.9% | 51.2% |
| 2009 | Science | 11th Grade | % met std | 78.5% | 75.8% | 50.5% |
| 2010 | Science | 11th Grade | % met std | 83.3% | 80.9% | 52.4% |
| 2011 | Science | 11th Grade | % met std | 84.7% | 79.1% | 49.2% |
| 2012 | Science | 11th Grade | % met std | 82.5% | 79.8% | 51.7% |
| 2013 | Science | 11th Grade | % met std | 80.5% | 79.4% | 49.4% |
Some data by SchoolDigger.com.
* Glenbrook North 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.