Discovery Bay Elementary Primary School
1700 Willow Lake Rd
Discovery Bay CA, 94505, Contra Costa County
Phone: 925-809-7540
Ranking: (1,866 out of 6,930, top 27%)*
Type: Regular Primary School
Status: Currently Operational
Grade: Kindergarten to Grade 5
School District: Byron Union Elementary School District
Title I Eligible School: Yes School-Wide Title I: NA
Magnet: NA
Charter: NA
Shared-Time School: NA
Students and Teachers
2013-2014 | 2012-2013 | 2011-2012 | 2010-2011 | 2009-2010 | 2008-2009 | 2007-2008 | ||||||||
Amount | % | Amount | % | Amount | % | Amount | % | Amount | % | Amount | % | Amount | % | |
Total Teachers: | 19 | 19 | 19 | NA | NA | 27 | 29 | 30 | ||||||
Total Students: | 498 | 493 | 510 | 506 | 543 | 547 | 526 | |||||||
Kindergarten: | 75 | 15.1% | 78 | 15.8% | 94 | 18.4% | 61 | 12.1% | 80 | 14.7% | 80 | 14.6% | 85 | 16.2% |
Grade 1: | 80 | 16.1% | 96 | 19.5% | 67 | 13.1% | 85 | 16.8% | 97 | 17.9% | 89 | 16.3% | 108 | 20.5% |
Grade 2: | 102 | 20.5% | 73 | 14.8% | 78 | 15.3% | 82 | 16.2% | 76 | 14.0% | 106 | 19.4% | 92 | 17.5% |
Grade 3: | 76 | 15.3% | 80 | 16.2% | 82 | 16.1% | 82 | 16.2% | 110 | 20.3% | 97 | 17.7% | 84 | 16.0% |
Grade 4: | 82 | 16.5% | 81 | 16.4% | 86 | 16.9% | 97 | 19.2% | 92 | 16.9% | 83 | 15.2% | 84 | 16.0% |
Grade 5: | 83 | 16.7% | 85 | 17.2% | 103 | 20.2% | 99 | 19.6% | 88 | 16.2% | 92 | 16.8% | 73 | 13.9% |
Ungraded: | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA |
Student By Gender: | ||||||||||||||
Male: | 238 | 47.8% | 236 | 47.9% | 255 | 50.0% | 250 | 49.4% | 265 | 48.8% | 257 | 47.0% | 257 | 48.9% |
Female: | 260 | 52.2% | 257 | 52.1% | 255 | 50.0% | 256 | 50.6% | 278 | 51.2% | 290 | 53.0% | 265 | 50.4% |
Student By Races: | ||||||||||||||
American Indian/Alaska Native: | 14 | 2.8% | 16 | 3.2% | 13 | 2.5% | 14 | 2.8% | 18 | 3.3% | 5 | 0.9% | 5 | 1.0% |
Asian: | 12 | 2.4% | 13 | 2.6% | 18 | 3.5% | 20 | 4.0% | 21 | 3.9% | 18 | 3.3% | 16 | 3.0% |
Hispanic: | 141 | 28.3% | 127 | 25.8% | 108 | 21.2% | 96 | 19.0% | 93 | 17.1% | 108 | 19.7% | 94 | 17.9% |
Black: | 13 | 2.6% | 18 | 3.7% | 13 | 2.5% | 22 | 4.3% | 28 | 5.2% | 20 | 3.7% | 15 | 2.9% |
White: | 270 | 54.2% | 289 | 58.6% | 342 | 67.1% | 346 | 68.4% | 379 | 69.8% | 394 | 72.0% | 396 | 75.3% |
Hawaiian Native/Pacific Islander: | 7 | 1.4% | 4 | 0.8% | 3 | 0.6% | 3 | 0.6% | 4 | 0.7% | 1 | 0.2% | NA | NA |
Two or More Races: | 41 | 8.2% | 26 | 5.3% | 13 | 2.5% | 5 | 1.0% | 0 | 0.0% | 1 | 0.2% | NA | NA |
Lunch Program: | ||||||||||||||
Free Lunch Program Eligible: | 132 | 26.5% | 149 | 30.2% | NA | NA | 146 | 28.9% | 148 | 27.3% | 131 | 23.9% | 91 | 17.3% |
Reduced-Price Lunch Program Eligible: | 39 | 7.8% | 30 | 6.1% | NA | NA | 27 | 5.3% | 28 | 5.2% | 19 | 3.5% | 19 | 3.6% |
Student-Teacher Ratio: | 26.21 | 25.95 | 26.84 | NA | NA | 20.11 | 17.60 | 17.50 |
Test Performance
Year | Test | Grade | Measurement | Score | School District | State Average |
STAR | ||||||
2004 | English Language Arts Standards | 2nd Grade | Mean Scaled Score | 334.1 | 330.7 | 330.5 |
2005 | English Language Arts Standards | 2nd Grade | Mean Scaled Score | 344.9 | 338.8 | 336.5 |
2006 | English Language Arts Standards | 2nd Grade | Mean Scaled Score | 379.7 | 352.6 | 344.3 |
2007 | English Language Arts Standards | 2nd Grade | Mean Scaled Score | 367.7 | 355.6 | 345 |
2008 | English Language Arts Standards | 2nd Grade | Mean Scaled Score | 371.9 | 354.8 | 348 |
2009 | English Language Arts Standards | 2nd Grade | Mean Scaled Score | 378.5 | 366.4 | 352.8 |
2010 | English Language Arts Standards | 2nd Grade | Mean Scaled Score | 370.9 | 356.8 | 356.6 |
2011 | English Language Arts Standards | 2nd Grade | Mean Scaled Score | 399.5 | 383.7 | 359.5 |
2012 | English Language Arts Standards | 2nd Grade | Mean Scaled Score | 382.6 | 371.9 | 361.5 |
2013 | English Language Arts Standards | 2nd Grade | Mean Scaled Score | 366.7 | 354.8 | 357.3 |
2004 | Mathematics | 2nd Grade | Mean Scaled Score | 355.7 | 352.7 | 358 |
2005 | Mathematics | 2nd Grade | Mean Scaled Score | 375.5 | 370.2 | 366 |
2006 | Mathematics | 2nd Grade | Mean Scaled Score | 386.7 | 369.6 | 372.5 |
2007 | Mathematics | 2nd Grade | Mean Scaled Score | 376.3 | 375.9 | 369.2 |
2008 | Mathematics | 2nd Grade | Mean Scaled Score | 374.8 | 372.8 | 372.4 |
2009 | Mathematics | 2nd Grade | Mean Scaled Score | 384.4 | 383.3 | 376.7 |
2010 | Mathematics | 2nd Grade | Mean Scaled Score | 390.4 | 382 | 381.6 |
2011 | Mathematics | 2nd Grade | Mean Scaled Score | 402 | 393 | 382.2 |
2012 | Mathematics | 2nd Grade | Mean Scaled Score | 386.3 | 380 | 382.7 |
2013 | Mathematics | 2nd Grade | Mean Scaled Score | 372.6 | 356.5 | 379.9 |
2004 | English Language Arts Standards | 3rd Grade | Mean Scaled Score | 321 | 321.1 | 321.5 |
2005 | English Language Arts Standards | 3rd Grade | Mean Scaled Score | 315.7 | 318.9 | 324.1 |
2006 | English Language Arts Standards | 3rd Grade | Mean Scaled Score | 332.2 | 327.3 | 330.8 |
2007 | English Language Arts Standards | 3rd Grade | Mean Scaled Score | 349.6 | 338.8 | 330 |
2008 | English Language Arts Standards | 3rd Grade | Mean Scaled Score | 353 | 343.4 | 332.8 |
2009 | English Language Arts Standards | 3rd Grade | Mean Scaled Score | 359.1 | 351.3 | 340.3 |
2010 | English Language Arts Standards | 3rd Grade | Mean Scaled Score | 361.7 | 352.9 | 342.2 |
2011 | English Language Arts Standards | 3rd Grade | Mean Scaled Score | 354.7 | 351.4 | 345.3 |
2012 | English Language Arts Standards | 3rd Grade | Mean Scaled Score | 377.7 | 371.5 | 347.1 |
2013 | English Language Arts Standards | 3rd Grade | Mean Scaled Score | 372.5 | 363.9 | 345.7 |
2004 | Mathematics | 3rd Grade | Mean Scaled Score | 340.8 | 345.2 | 353.1 |
2005 | Mathematics | 3rd Grade | Mean Scaled Score | 342.5 | 348.6 | 362.1 |
2006 | Mathematics | 3rd Grade | Mean Scaled Score | 361.1 | 376.1 | 368.9 |
2007 | Mathematics | 3rd Grade | Mean Scaled Score | 407.9 | 395.4 | 370.9 |
2008 | Mathematics | 3rd Grade | Mean Scaled Score | 429.6 | 408.9 | 379 |
2009 | Mathematics | 3rd Grade | Mean Scaled Score | 404.8 | 382.3 | 387.7 |
2010 | Mathematics | 3rd Grade | Mean Scaled Score | 405.5 | 392.9 | 395.4 |
2011 | Mathematics | 3rd Grade | Mean Scaled Score | 401.8 | 387.1 | 400.6 |
2012 | Mathematics | 3rd Grade | Mean Scaled Score | 430.5 | 419.4 | 399.2 |
2013 | Mathematics | 3rd Grade | Mean Scaled Score | 430.7 | 415.9 | 399.0 |
2004 | English Language Arts Standards | 4th Grade | Mean Scaled Score | 342.7 | 342 | 338.5 |
2005 | English Language Arts Standards | 4th Grade | Mean Scaled Score | 346.9 | 351.2 | 346.2 |
2006 | English Language Arts Standards | 4th Grade | Mean Scaled Score | 330.3 | 345.8 | 351.1 |
2007 | English Language Arts Standards | 4th Grade | Mean Scaled Score | 354.3 | 355.9 | 353.2 |
2008 | English Language Arts Standards | 4th Grade | Mean Scaled Score | 372.2 | 360.3 | 357.8 |
2009 | English Language Arts Standards | 4th Grade | Mean Scaled Score | 376.8 | 371.2 | 366.8 |
2010 | English Language Arts Standards | 4th Grade | Mean Scaled Score | 366 | 365.2 | 369.9 |
2011 | English Language Arts Standards | 4th Grade | Mean Scaled Score | 390.1 | 383.8 | 371.6 |
2012 | English Language Arts Standards | 4th Grade | Mean Scaled Score | 389.9 | 383.3 | 375.2 |
2013 | English Language Arts Standards | 4th Grade | Mean Scaled Score | 408.8 | 404.3 | 374.2 |
2004 | Mathematics | 4th Grade | Mean Scaled Score | 364.4 | 353.3 | 343.2 |
2005 | Mathematics | 4th Grade | Mean Scaled Score | 342.8 | 358.3 | 354 |
2006 | Mathematics | 4th Grade | Mean Scaled Score | 342.2 | 360.1 | 361.6 |
2007 | Mathematics | 4th Grade | Mean Scaled Score | 375.5 | 370.8 | 366.1 |
2008 | Mathematics | 4th Grade | Mean Scaled Score | 392.6 | 380.3 | 373.9 |
2009 | Mathematics | 4th Grade | Mean Scaled Score | 380.2 | 369.7 | 382.5 |
2010 | Mathematics | 4th Grade | Mean Scaled Score | 387.1 | 383.5 | 389.9 |
2011 | Mathematics | 4th Grade | Mean Scaled Score | 421.1 | 406.2 | 392.2 |
2012 | Mathematics | 4th Grade | Mean Scaled Score | 414.9 | 396.9 | 395.2 |
2013 | Mathematics | 4th Grade | Mean Scaled Score | 447.0 | 422.8 | 394.9 |
2004 | English Language Arts Standards | 5th Grade | Mean Scaled Score | 344.6 | 345.4 | 337.7 |
2005 | English Language Arts Standards | 5th Grade | Mean Scaled Score | 349.3 | 353.4 | 340.5 |
2006 | English Language Arts Standards | 5th Grade | Mean Scaled Score | 339.5 | 348.2 | 342.6 |
2007 | English Language Arts Standards | 5th Grade | Mean Scaled Score | 330.1 | 347.4 | 342.8 |
2008 | English Language Arts Standards | 5th Grade | Mean Scaled Score | 353.1 | 357.8 | 347.6 |
2009 | English Language Arts Standards | 5th Grade | Mean Scaled Score | 356.1 | 352.3 | 356.2 |
2010 | English Language Arts Standards | 5th Grade | Mean Scaled Score | 376.6 | 371.5 | 359.4 |
2011 | English Language Arts Standards | 5th Grade | Mean Scaled Score | 368.8 | 366.4 | 362 |
2012 | English Language Arts Standards | 5th Grade | Mean Scaled Score | 400.9 | 388.5 | 366.1 |
2013 | English Language Arts Standards | 5th Grade | Mean Scaled Score | 390.3 | 386.5 | 365.2 |
2004 | Mathematics | 5th Grade | Mean Scaled Score | 343.4 | 352.2 | 335.8 |
2005 | Mathematics | 5th Grade | Mean Scaled Score | 361.8 | 363.3 | 349.6 |
2006 | Mathematics | 5th Grade | Mean Scaled Score | 360.2 | 376.1 | 356.6 |
2007 | Mathematics | 5th Grade | Mean Scaled Score | 355.1 | 373.4 | 356.8 |
2008 | Mathematics | 5th Grade | Mean Scaled Score | 369.7 | 372.9 | 364.6 |
2009 | Mathematics | 5th Grade | Mean Scaled Score | 377.8 | 376 | 375.8 |
2010 | Mathematics | 5th Grade | Mean Scaled Score | 417.9 | 398.9 | 383.4 |
2011 | Mathematics | 5th Grade | Mean Scaled Score | 424 | 405.2 | 392.6 |
2012 | Mathematics | 5th Grade | Mean Scaled Score | 475.5 | 452.9 | 395.3 |
2013 | Mathematics | 5th Grade | Mean Scaled Score | 447.5 | 428.0 | 393.2 |
2004 | Science | 5th Grade | Mean Scaled Score | 338.9 | 337.5 | 318.5 |
2005 | Science | 5th Grade | Mean Scaled Score | 341.6 | 345.8 | 324.6 |
2006 | Science | 5th Grade | Mean Scaled Score | 336 | 347.1 | 328.7 |
2007 | Science | 5th Grade | Mean Scaled Score | 335.2 | 347.4 | 334.3 |
2008 | Science | 5th Grade | Mean Scaled Score | 351 | 360.3 | 345.2 |
2009 | Science | 5th Grade | Mean Scaled Score | 349.7 | 350.1 | 354.1 |
2010 | Science | 5th Grade | Mean Scaled Score | 378.7 | 370.3 | 362.2 |
2011 | Science | 5th Grade | Mean Scaled Score | 397.9 | 382.2 | 367.2 |
2012 | Science | 5th Grade | Mean Scaled Score | 423.2 | 402 | 367.4 |
2013 | Science | 5th Grade | Mean Scaled Score | 410.9 | 393.5 | 366.9 |
Some data by SchoolDigger.com.
* Discovery Bay Elementary Primary School was rated 4 out of 5 by USA.com. The ranking was calculated based on publically available historical Math and English performance data.