Belvidere North High School, Test Performance
| Year | Test | Grade | Measurement | Score | School District | State Average |
| PSAE | ||||||
| 2009 | Math | 11th Grade | % met std | 52.8% | 51.9% | 51.6% |
| 2010 | Math | 11th Grade | % met std | 56.9% | 52.7% | 52.7% |
| 2011 | Math | 11th Grade | % met std | 54.2% | 52.2% | 51.3% |
| 2012 | Math | 11th Grade | % met std | 51.4% | 48.6% | 51.6% |
| 2013 | Math | 11th Grade | % met std | 49.7% | 46.6% | 51.8% |
| 2009 | Reading | 11th Grade | % met std | 60.2% | 56.9% | 56.9% |
| 2010 | Reading | 11th Grade | % met std | 51.3% | 49.5% | 54.0% |
| 2011 | Reading | 11th Grade | % met std | 53.0% | 49.2% | 51.1% |
| 2012 | Reading | 11th Grade | % met std | 53.2% | 49.0% | 50.6% |
| 2013 | Reading | 11th Grade | % met std | 54.5% | 50.7% | 54.8% |
| 2009 | Science | 11th Grade | % met std | 52.8% | 48.9% | 50.5% |
| 2010 | Science | 11th Grade | % met std | 54.8% | 51.8% | 52.4% |
| 2011 | Science | 11th Grade | % met std | 54.6% | 52.2% | 49.2% |
| 2012 | Science | 11th Grade | % met std | 55.6% | 52.3% | 51.7% |
| 2013 | Science | 11th Grade | % met std | 53.3% | 47.9% | 49.4% |
Some data by SchoolDigger.com.
* Belvidere North 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.