Williams Ranch Elementary Primary School, Test Performance
| Year | Test | Grade | Measurement | Score | School District | State Average |
| STAR | ||||||
| 2004 | English Language Arts Standards | 2nd Grade | Mean Scaled Score | 342.1 | 342.1 | 330.5 |
| 2005 | English Language Arts Standards | 2nd Grade | Mean Scaled Score | 329.7 | 329.7 | 336.5 |
| 2006 | English Language Arts Standards | 2nd Grade | Mean Scaled Score | 340.7 | 340.7 | 344.3 |
| 2007 | English Language Arts Standards | 2nd Grade | Mean Scaled Score | 335.8 | 335.8 | 345 |
| 2008 | English Language Arts Standards | 2nd Grade | Mean Scaled Score | 330 | 330 | 348 |
| 2009 | English Language Arts Standards | 2nd Grade | Mean Scaled Score | 347 | 347 | 352.8 |
| 2010 | English Language Arts Standards | 2nd Grade | Mean Scaled Score | 347.4 | 347.4 | 356.6 |
| 2011 | English Language Arts Standards | 2nd Grade | Mean Scaled Score | 357.5 | 357.5 | 359.5 |
| 2012 | English Language Arts Standards | 2nd Grade | Mean Scaled Score | 336.2 | 336.2 | 361.5 |
| 2013 | English Language Arts Standards | 2nd Grade | Mean Scaled Score | 330.3 | 330.3 | 357.3 |
| 2004 | Mathematics | 2nd Grade | Mean Scaled Score | 360.2 | 360.2 | 358 |
| 2005 | Mathematics | 2nd Grade | Mean Scaled Score | 340.7 | 340.7 | 366 |
| 2006 | Mathematics | 2nd Grade | Mean Scaled Score | 368.4 | 368.4 | 372.5 |
| 2007 | Mathematics | 2nd Grade | Mean Scaled Score | 364.6 | 364.6 | 369.2 |
| 2008 | Mathematics | 2nd Grade | Mean Scaled Score | 357.3 | 357.3 | 372.4 |
| 2009 | Mathematics | 2nd Grade | Mean Scaled Score | 374 | 374 | 376.7 |
| 2010 | Mathematics | 2nd Grade | Mean Scaled Score | 397.1 | 397.1 | 381.6 |
| 2011 | Mathematics | 2nd Grade | Mean Scaled Score | 395.8 | 395.8 | 382.2 |
| 2012 | Mathematics | 2nd Grade | Mean Scaled Score | 354.3 | 354.3 | 382.7 |
| 2013 | Mathematics | 2nd Grade | Mean Scaled Score | 341.6 | 341.6 | 379.9 |
| 2004 | English Language Arts Standards | 3rd Grade | Mean Scaled Score | 335.9 | 335.9 | 321.5 |
| 2005 | English Language Arts Standards | 3rd Grade | Mean Scaled Score | 337 | 337 | 324.1 |
| 2006 | English Language Arts Standards | 3rd Grade | Mean Scaled Score | 326 | 326 | 330.8 |
| 2007 | English Language Arts Standards | 3rd Grade | Mean Scaled Score | 343.2 | 343.2 | 330 |
| 2008 | English Language Arts Standards | 3rd Grade | Mean Scaled Score | 328 | 328 | 332.8 |
| 2009 | English Language Arts Standards | 3rd Grade | Mean Scaled Score | 340.7 | 340.7 | 340.3 |
| 2010 | English Language Arts Standards | 3rd Grade | Mean Scaled Score | 345.3 | 345.3 | 342.2 |
| 2011 | English Language Arts Standards | 3rd Grade | Mean Scaled Score | 333 | 333 | 345.3 |
| 2012 | English Language Arts Standards | 3rd Grade | Mean Scaled Score | 366.7 | 366.7 | 347.1 |
| 2013 | English Language Arts Standards | 3rd Grade | Mean Scaled Score | 324.6 | 324.6 | 345.7 |
| 2004 | Mathematics | 3rd Grade | Mean Scaled Score | 379.9 | 379.9 | 353.1 |
| 2005 | Mathematics | 3rd Grade | Mean Scaled Score | 370.8 | 370.8 | 362.1 |
| 2006 | Mathematics | 3rd Grade | Mean Scaled Score | 366.7 | 366.7 | 368.9 |
| 2007 | Mathematics | 3rd Grade | Mean Scaled Score | 382.4 | 382.4 | 370.9 |
| 2008 | Mathematics | 3rd Grade | Mean Scaled Score | 369.6 | 369.6 | 379 |
| 2009 | Mathematics | 3rd Grade | Mean Scaled Score | 390.2 | 390.2 | 387.7 |
| 2010 | Mathematics | 3rd Grade | Mean Scaled Score | 372.9 | 372.9 | 395.4 |
| 2011 | Mathematics | 3rd Grade | Mean Scaled Score | 361.2 | 361.2 | 400.6 |
| 2012 | Mathematics | 3rd Grade | Mean Scaled Score | 389.7 | 389.7 | 399.2 |
| 2013 | Mathematics | 3rd Grade | Mean Scaled Score | 356.0 | 356.0 | 399.0 |
Some data by SchoolDigger.com.
* Williams Ranch Elementary Primary School, Test Performance was rated 3 out of 5 by USA.com. The ranking was calculated based on publically available historical Math and English performance data.