Lewistown High School, Test Performance
| Year | Test | Grade | Measurement | Score | School District | State Average |
| PSAE | ||||||
| 2003 | Math | 11th Grade | % met std | 47.4% | 47.4% | 53.3% |
| 2004 | Math | 11th Grade | % met std | 46.6% | 46.6% | 53.1% |
| 2005 | Math | 11th Grade | % met std | 48.5% | 48.5% | 52.8% |
| 2006 | Math | 11th Grade | % met std | 50.0% | 50.0% | 53.7% |
| 2007 | Math | 11th Grade | % met std | 41.7% | 41.7% | 52.7% |
| 2008 | Math | 11th Grade | % met std | 34% | 34% | 53.0% |
| 2009 | Math | 11th Grade | % met std | 49.2% | 49.2% | 51.6% |
| 2010 | Math | 11th Grade | % met std | 45.8% | 45.8% | 52.7% |
| 2011 | Math | 11th Grade | % met std | 36.9% | 36.9% | 51.3% |
| 2012 | Math | 11th Grade | % met std | 35.9% | 35.9% | 51.6% |
| 2013 | Math | 11th Grade | % met std | 32.7% | 32.7% | 51.8% |
| 2003 | Reading | 11th Grade | % met std | 38.6% | 38.6% | 56.4% |
| 2004 | Reading | 11th Grade | % met std | 46.6% | 46.6% | 56.8% |
| 2005 | Reading | 11th Grade | % met std | 50.0% | 50.0% | 59.5% |
| 2006 | Reading | 11th Grade | % met std | 45.9% | 45.9% | 58.4% |
| 2007 | Reading | 11th Grade | % met std | 41.6% | 41.6% | 54.0% |
| 2008 | Reading | 11th Grade | % met std | 40.4% | 40.4% | 53.3% |
| 2009 | Reading | 11th Grade | % met std | 66.7% | 66.7% | 56.9% |
| 2010 | Reading | 11th Grade | % met std | 52.1% | 52.1% | 54.0% |
| 2011 | Reading | 11th Grade | % met std | 38.6% | 38.6% | 51.1% |
| 2012 | Reading | 11th Grade | % met std | 54.8% | 54.8% | 50.6% |
| 2013 | Reading | 11th Grade | % met std | 41.8% | 41.8% | 54.8% |
| 2003 | Science | 11th Grade | % met std | 38.6% | 38.6% | 51.3% |
| 2004 | Science | 11th Grade | % met std | 51.1% | 51.1% | 52.9% |
| 2005 | Science | 11th Grade | % met std | 43.8% | 43.8% | 52.5% |
| 2006 | Science | 11th Grade | % met std | 43.8% | 43.8% | 50.8% |
| 2007 | Science | 11th Grade | % met std | 36.7% | 36.7% | 51.0% |
| 2008 | Science | 11th Grade | % met std | 31.9% | 31.9% | 51.2% |
| 2009 | Science | 11th Grade | % met std | 52.6% | 52.6% | 50.5% |
| 2010 | Science | 11th Grade | % met std | 48.0% | 48.0% | 52.4% |
| 2011 | Science | 11th Grade | % met std | 35.1% | 35.1% | 49.2% |
| 2012 | Science | 11th Grade | % met std | 37.7% | 37.7% | 51.7% |
| 2013 | Science | 11th Grade | % met std | 40.0% | 40.0% | 49.4% |
Some data by SchoolDigger.com.
* Lewistown High School, Test Performance was rated 4 out of 5 by USA.com. The ranking was calculated based on publically available historical Math and English performance data.