Henry Johnson Charter School, Test Performance
| Year | Test | Grade | Measurement | Score | School District | State Average |
| NY State Assessments | ||||||
| 2010 | English Language Arts | 3rd Grade | % met std | 48% | N/A | 55% |
| 2011 | English Language Arts | 3rd Grade | % met std | 39% | N/A | 56% |
| 2012 | English Language Arts | 3rd Grade | % met std | 32% | N/A | 56% |
| 2013 | English Language Arts | 3rd Grade | % met std | 20% | N/A | 31.1% |
| 2010 | Math | 3rd Grade | % met std | 52% | N/A | 59% |
| 2011 | Math | 3rd Grade | % met std | 44% | N/A | 59% |
| 2012 | Math | 3rd Grade | % met std | 53% | N/A | 61% |
| 2013 | Math | 3rd Grade | % met std | 24% | N/A | 34.2% |
| 2011 | English Language Arts | 4th Grade | % met std | 33% | N/A | 56% |
| 2012 | English Language Arts | 4th Grade | % met std | 44% | N/A | 60% |
| 2013 | English Language Arts | 4th Grade | % met std | 16.7% | N/A | 30.3% |
| 2011 | Math | 4th Grade | % met std | 31% | N/A | 67% |
| 2012 | Math | 4th Grade | % met std | 75% | N/A | 69% |
| 2013 | Math | 4th Grade | % met std | 29.4% | N/A | 36.3% |
| 2011 | Science | 4th Grade | % met std | 85% | N/A | 88% |
| 2012 | Science | 4th Grade | % met std | 97% | N/A | 89% |
Some data by SchoolDigger.com.
* Henry Johnson Charter School, Test Performance was rated 2 out of 5 by USA.com. The ranking was calculated based on publically available historical Math and English performance data.