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Williams Primary 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 | 312.6 | 312.6 | 330.5 |
| 2005 | English Language Arts Standards | 2nd Grade | Mean Scaled Score | 332.3 | 332.3 | 336.5 |
| 2006 | English Language Arts Standards | 2nd Grade | Mean Scaled Score | 318.7 | 318.7 | 344.3 |
| 2007 | English Language Arts Standards | 2nd Grade | Mean Scaled Score | 336.9 | 336.9 | 345 |
| 2008 | English Language Arts Standards | 2nd Grade | Mean Scaled Score | 327 | 327 | 348 |
| 2009 | English Language Arts Standards | 2nd Grade | Mean Scaled Score | 354.6 | 354.6 | 352.8 |
| 2010 | English Language Arts Standards | 2nd Grade | Mean Scaled Score | 378.4 | 378.4 | 356.6 |
| 2011 | English Language Arts Standards | 2nd Grade | Mean Scaled Score | 361.7 | 361.7 | 359.5 |
| 2012 | English Language Arts Standards | 2nd Grade | Mean Scaled Score | 345.4 | 345.4 | 361.5 |
| 2013 | English Language Arts Standards | 2nd Grade | Mean Scaled Score | 315.6 | 315.6 | 357.3 |
| 2004 | Mathematics | 2nd Grade | Mean Scaled Score | 343.4 | 343.4 | 358 |
| 2005 | Mathematics | 2nd Grade | Mean Scaled Score | 377.4 | 377.4 | 366 |
| 2006 | Mathematics | 2nd Grade | Mean Scaled Score | 357.8 | 357.8 | 372.5 |
| 2007 | Mathematics | 2nd Grade | Mean Scaled Score | 361 | 361 | 369.2 |
| 2008 | Mathematics | 2nd Grade | Mean Scaled Score | 364.6 | 364.6 | 372.4 |
| 2009 | Mathematics | 2nd Grade | Mean Scaled Score | 391.3 | 391.3 | 376.7 |
| 2010 | Mathematics | 2nd Grade | Mean Scaled Score | 412.2 | 412.2 | 381.6 |
| 2011 | Mathematics | 2nd Grade | Mean Scaled Score | 381.4 | 381.4 | 382.2 |
| 2012 | Mathematics | 2nd Grade | Mean Scaled Score | 362.5 | 362.5 | 382.7 |
| 2013 | Mathematics | 2nd Grade | Mean Scaled Score | 335.7 | 335.7 | 379.9 |
| 2004 | English Language Arts Standards | 3rd Grade | Mean Scaled Score | 302 | 302 | 321.5 |
| 2005 | English Language Arts Standards | 3rd Grade | Mean Scaled Score | 303.4 | 303.4 | 324.1 |
| 2006 | English Language Arts Standards | 3rd Grade | Mean Scaled Score | 323.2 | 323.2 | 330.8 |
| 2007 | English Language Arts Standards | 3rd Grade | Mean Scaled Score | 319.7 | 319.7 | 330 |
| 2008 | English Language Arts Standards | 3rd Grade | Mean Scaled Score | 329.9 | 329.9 | 332.8 |
| 2009 | English Language Arts Standards | 3rd Grade | Mean Scaled Score | 336.5 | 336.5 | 340.3 |
| 2010 | English Language Arts Standards | 3rd Grade | Mean Scaled Score | 326.8 | 326.8 | 342.2 |
| 2011 | English Language Arts Standards | 3rd Grade | Mean Scaled Score | 338.4 | 338.4 | 345.3 |
| 2012 | English Language Arts Standards | 3rd Grade | Mean Scaled Score | 333 | 333 | 347.1 |
| 2013 | English Language Arts Standards | 3rd Grade | Mean Scaled Score | 305.2 | 305.2 | 345.7 |
| 2004 | Mathematics | 3rd Grade | Mean Scaled Score | 340 | 340 | 353.1 |
| 2005 | Mathematics | 3rd Grade | Mean Scaled Score | 351.5 | 351.5 | 362.1 |
| 2006 | Mathematics | 3rd Grade | Mean Scaled Score | 380.3 | 380.3 | 368.9 |
| 2007 | Mathematics | 3rd Grade | Mean Scaled Score | 364.7 | 364.7 | 370.9 |
| 2008 | Mathematics | 3rd Grade | Mean Scaled Score | 391.8 | 391.8 | 379 |
| 2009 | Mathematics | 3rd Grade | Mean Scaled Score | 393 | 393 | 387.7 |
| 2010 | Mathematics | 3rd Grade | Mean Scaled Score | 378.6 | 378.6 | 395.4 |
| 2011 | Mathematics | 3rd Grade | Mean Scaled Score | 406 | 406 | 400.6 |
| 2012 | Mathematics | 3rd Grade | Mean Scaled Score | 394.1 | 394.1 | 399.2 |
| 2013 | Mathematics | 3rd Grade | Mean Scaled Score | 346.2 | 346.2 | 399.0 |
Some data by SchoolDigger.com.
* Williams Primary 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.