USA.com / New York / Suffolk County / Cold Spring Harbor, NY / Public Schools / Jefferson School / Test Performance
Jefferson School, Test Performance
| Year | Test | Grade | Measurement | Score | School District | State Average |
| NY State Assessments | ||||||
| 2006 | English Language Arts | 3rd Grade | % met std | 76% | 72% | 69% |
| 2007 | English Language Arts | 3rd Grade | % met std | 77% | 73% | 67% |
| 2008 | English Language Arts | 3rd Grade | % met std | 69% | 75% | 70% |
| 2009 | English Language Arts | 3rd Grade | % met std | 93% | 82% | 76% |
| 2010 | English Language Arts | 3rd Grade | % met std | 65% | 59% | 55% |
| 2011 | English Language Arts | 3rd Grade | % met std | 64% | 62% | 56% |
| 2012 | English Language Arts | 3rd Grade | % met std | 57% | 59% | 56% |
| 2013 | English Language Arts | 3rd Grade | % met std | 28.4% | 30.6% | 31.1% |
| 2006 | Math | 3rd Grade | % met std | 90% | 85% | 80% |
| 2007 | Math | 3rd Grade | % met std | 89% | 90% | 85% |
| 2008 | Math | 3rd Grade | % met std | 96% | 94% | 90% |
| 2009 | Math | 3rd Grade | % met std | 98% | 95% | 93% |
| 2010 | Math | 3rd Grade | % met std | 83% | 66% | 59% |
| 2011 | Math | 3rd Grade | % met std | 83% | 64% | 59% |
| 2012 | Math | 3rd Grade | % met std | 60% | 64% | 61% |
| 2013 | Math | 3rd Grade | % met std | 39.5% | 31.5% | 34.2% |
| 2011 | English Language Arts | 4th Grade | % met std | 74% | 59% | 56% |
| 2012 | English Language Arts | 4th Grade | % met std | 67% | 67% | 60% |
| 2013 | English Language Arts | 4th Grade | % met std | 29.4% | 34.3% | 30.3% |
| 2011 | Math | 4th Grade | % met std | 83% | 66% | 67% |
| 2012 | Math | 4th Grade | % met std | 74% | 69% | 69% |
| 2013 | Math | 4th Grade | % met std | 19.8% | 28% | 36.3% |
| 2011 | Science | 4th Grade | % met std | 98% | 93% | 88% |
| 2012 | Science | 4th Grade | % met std | 93% | 94% | 89% |
Some data by SchoolDigger.com.
* Jefferson 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.