Excelsior Middle Middle School
14301 Byron Hwy
Byron CA, 94514, Contra Costa County
Phone: 925-809-7530
Ranking:
(3,203 out of 6,930, top 46%)*

Type: Regular Middle School
Status: Currently Operational
Grade: Grade 6 to Grade 8
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: | 26 | 25 | 23 | NA | NA | 24 | 23 | 27 | ||||||
Total Students: | 576 | 626 | 606 | 583 | 548 | 520 | 511 | |||||||
Grade 6: | 188 | 32.6% | 208 | 33.2% | 197 | 32.5% | 209 | 35.8% | 191 | 34.9% | 175 | 33.7% | 164 | 32.1% |
Grade 7: | 193 | 33.5% | 197 | 31.5% | 207 | 34.2% | 203 | 34.8% | 173 | 31.6% | 174 | 33.5% | 162 | 31.7% |
Grade 8: | 195 | 33.9% | 221 | 35.3% | 202 | 33.3% | 171 | 29.3% | 182 | 33.2% | 171 | 32.9% | 185 | 36.2% |
Ungraded: | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA |
Student By Gender: | ||||||||||||||
Male: | 278 | 48.3% | 311 | 49.7% | 292 | 48.2% | 309 | 53.0% | 290 | 52.9% | 276 | 53.1% | 242 | 47.4% |
Female: | 298 | 51.7% | 315 | 50.3% | 314 | 51.8% | 274 | 47.0% | 258 | 47.1% | 244 | 46.9% | 265 | 51.9% |
Student By Races: | ||||||||||||||
American Indian/Alaska Native: | 5 | 0.9% | 7 | 1.1% | 7 | 1.2% | 4 | 0.7% | 6 | 1.1% | 6 | 1.2% | 5 | 1.0% |
Asian: | 26 | 4.5% | 37 | 5.9% | 34 | 5.6% | 36 | 6.2% | 34 | 6.2% | 29 | 5.6% | 36 | 7.0% |
Hispanic: | 110 | 19.1% | 113 | 18.1% | 125 | 20.6% | 113 | 19.4% | 117 | 21.4% | 99 | 19.0% | 101 | 19.8% |
Black: | 29 | 5.0% | 40 | 6.4% | 39 | 6.4% | 41 | 7.0% | 39 | 7.1% | 38 | 7.3% | 35 | 6.8% |
White: | 393 | 68.2% | 415 | 66.3% | 389 | 64.2% | 381 | 65.4% | 338 | 61.7% | 329 | 63.3% | 334 | 65.4% |
Hawaiian Native/Pacific Islander: | 8 | 1.4% | 10 | 1.6% | 10 | 1.7% | 8 | 1.4% | 8 | 1.5% | 7 | 1.3% | NA | NA |
Two or More Races: | 5 | 0.9% | 4 | 0.6% | 2 | 0.3% | 0 | 0.0% | 6 | 1.1% | 12 | 2.3% | NA | NA |
Lunch Program: | ||||||||||||||
Free Lunch Program Eligible: | 113 | 19.6% | 143 | 22.8% | NA | NA | 121 | 20.8% | 119 | 21.7% | 93 | 17.9% | 81 | 15.9% |
Reduced-Price Lunch Program Eligible: | 50 | 8.7% | 42 | 6.7% | NA | NA | 42 | 7.2% | 42 | 7.7% | 32 | 6.2% | 22 | 4.3% |
Student-Teacher Ratio: | 21.83 | 25.15 | 26.46 | NA | NA | 22.83 | 20.80 | 18.90 |
Test Performance
Year | Test | Grade | Measurement | Score | School District | State Average |
STAR | ||||||
2004 | English Language Arts Standards | 6th Grade | Mean Scaled Score | 341.3 | 341.3 | 332.8 |
2005 | English Language Arts Standards | 6th Grade | Mean Scaled Score | 344.1 | 344.1 | 335.4 |
2006 | English Language Arts Standards | 6th Grade | Mean Scaled Score | 340.2 | 340.2 | 337.4 |
2007 | English Language Arts Standards | 6th Grade | Mean Scaled Score | 338.4 | 338.4 | 339.5 |
2008 | English Language Arts Standards | 6th Grade | Mean Scaled Score | 340.9 | 340.9 | 345.5 |
2009 | English Language Arts Standards | 6th Grade | Mean Scaled Score | 354.9 | 354.9 | 352.5 |
2010 | English Language Arts Standards | 6th Grade | Mean Scaled Score | 350.2 | 350.2 | 356.8 |
2011 | English Language Arts Standards | 6th Grade | Mean Scaled Score | 361.2 | 361.2 | 358.4 |
2012 | English Language Arts Standards | 6th Grade | Mean Scaled Score | 349.2 | 349.2 | 364.2 |
2013 | English Language Arts Standards | 6th Grade | Mean Scaled Score | 374.0 | 374.0 | 363.0 |
2004 | Mathematics | 6th Grade | Mean Scaled Score | 349.9 | 349.9 | 334.7 |
2005 | Mathematics | 6th Grade | Mean Scaled Score | 355 | 355 | 339.5 |
2006 | Mathematics | 6th Grade | Mean Scaled Score | 364.3 | 364.3 | 341 |
2007 | Mathematics | 6th Grade | Mean Scaled Score | 343.4 | 343.4 | 343.2 |
2008 | Mathematics | 6th Grade | Mean Scaled Score | 349.2 | 349.2 | 347.9 |
2009 | Mathematics | 6th Grade | Mean Scaled Score | 345.3 | 345.3 | 354.5 |
2010 | Mathematics | 6th Grade | Mean Scaled Score | 344.9 | 344.9 | 360.5 |
2011 | Mathematics | 6th Grade | Mean Scaled Score | 358.2 | 358.2 | 364.6 |
2012 | Mathematics | 6th Grade | Mean Scaled Score | 341.6 | 341.6 | 366.8 |
2013 | Mathematics | 6th Grade | Mean Scaled Score | 378.0 | 378.0 | 366.5 |
2010 | Algebra I | 7th Grade | Mean Scaled Score | 390.4 | 390.4 | 430.9 |
2004 | English Language Arts Standards | 7th Grade | Mean Scaled Score | 350.1 | 350.1 | 332.4 |
2005 | English Language Arts Standards | 7th Grade | Mean Scaled Score | 349.5 | 349.5 | 337.4 |
2006 | English Language Arts Standards | 7th Grade | Mean Scaled Score | 353.1 | 353.1 | 341 |
2007 | English Language Arts Standards | 7th Grade | Mean Scaled Score | 345.4 | 345.6 | 342.9 |
2008 | English Language Arts Standards | 7th Grade | Mean Scaled Score | 346 | 346 | 348.6 |
2009 | English Language Arts Standards | 7th Grade | Mean Scaled Score | 353.6 | 353.6 | 354.3 |
2010 | English Language Arts Standards | 7th Grade | Mean Scaled Score | 361.2 | 361.2 | 356.4 |
2011 | English Language Arts Standards | 7th Grade | Mean Scaled Score | 350 | 350 | 360.3 |
2012 | English Language Arts Standards | 7th Grade | Mean Scaled Score | 360.9 | 360.9 | 366.6 |
2013 | English Language Arts Standards | 7th Grade | Mean Scaled Score | 359.8 | 359.8 | 363.5 |
2004 | Mathematics | 7th Grade | Mean Scaled Score | 329.9 | 329.9 | 328.5 |
2005 | Mathematics | 7th Grade | Mean Scaled Score | 328.4 | 328.4 | 333.6 |
2006 | Mathematics | 7th Grade | Mean Scaled Score | 350 | 350 | 338.2 |
2007 | Mathematics | 7th Grade | Mean Scaled Score | 341.8 | 341.8 | 336 |
2008 | Mathematics | 7th Grade | Mean Scaled Score | 335.1 | 335.1 | 339.3 |
2009 | Mathematics | 7th Grade | Mean Scaled Score | 338.5 | 338.5 | 345 |
2010 | Mathematics | 7th Grade | Mean Scaled Score | 350.6 | 350.6 | 352.2 |
2011 | Mathematics | 7th Grade | Mean Scaled Score | 376.7 | 376.7 | 354.9 |
2012 | Mathematics | 7th Grade | Mean Scaled Score | 369.7 | 369.7 | 360.5 |
2013 | Mathematics | 7th Grade | Mean Scaled Score | 372.6 | 372.6 | 357.9 |
2005 | Algebra I | 8th Grade | Mean Scaled Score | 332.2 | 332.2 | 330.4 |
2006 | Algebra I | 8th Grade | Mean Scaled Score | 320.4 | 320.4 | 338.5 |
2007 | Algebra I | 8th Grade | Mean Scaled Score | 298.5 | 298.5 | 336.8 |
2008 | Algebra I | 8th Grade | Mean Scaled Score | 299.2 | 299.2 | 342.9 |
2009 | Algebra I | 8th Grade | Mean Scaled Score | 339.6 | 339.6 | 347.3 |
2010 | Algebra I | 8th Grade | Mean Scaled Score | 321.9 | 321.9 | 350.3 |
2011 | Algebra I | 8th Grade | Mean Scaled Score | 362.8 | 362.8 | 351.9 |
2012 | Algebra I | 8th Grade | Mean Scaled Score | 397.3 | 397.3 | 355.1 |
2013 | Algebra I | 8th Grade | Mean Scaled Score | 366.1 | 366.1 | 358.0 |
2004 | English Language Arts Standards | 8th Grade | Mean Scaled Score | 330.2 | 330.2 | 328.1 |
2005 | English Language Arts Standards | 8th Grade | Mean Scaled Score | 354.5 | 354.5 | 334.4 |
2006 | English Language Arts Standards | 8th Grade | Mean Scaled Score | 352.4 | 352.4 | 339.2 |
2007 | English Language Arts Standards | 8th Grade | Mean Scaled Score | 342 | 342 | 338.7 |
2008 | English Language Arts Standards | 8th Grade | Mean Scaled Score | 337.4 | 336.8 | 341.2 |
2009 | English Language Arts Standards | 8th Grade | Mean Scaled Score | 343.8 | 343.8 | 348.5 |
2010 | English Language Arts Standards | 8th Grade | Mean Scaled Score | 348.8 | 348.8 | 357.1 |
2011 | English Language Arts Standards | 8th Grade | Mean Scaled Score | 361.1 | 361.1 | 361.8 |
2012 | English Language Arts Standards | 8th Grade | Mean Scaled Score | 350.5 | 349.4 | 365.2 |
2013 | English Language Arts Standards | 8th Grade | Mean Scaled Score | 365.4 | 365.4 | 361.3 |
2004 | General Mathematics | 8th Grade | Mean Scaled Score | 322.9 | 322.9 | 311.1 |
2005 | General Mathematics | 8th Grade | Mean Scaled Score | 347.7 | 347.7 | 316.4 |
2006 | General Mathematics | 8th Grade | Mean Scaled Score | 324.6 | 324.6 | 316.3 |
2008 | General Mathematics | 8th Grade | Mean Scaled Score | 265.8 | 271.7 | 320.5 |
2009 | General Mathematics | 8th Grade | Mean Scaled Score | 298.8 | 298.8 | 321.3 |
2010 | General Mathematics | 8th Grade | Mean Scaled Score | 326.1 | 326.1 | 320.2 |
2011 | General Mathematics | 8th Grade | Mean Scaled Score | 321.4 | 321.4 | 322.7 |
2012 | General Mathematics | 8th Grade | Mean Scaled Score | 314.8 | 313 | 323.5 |
2013 | General Mathematics | 8th Grade | Mean Scaled Score | 324.2 | 324.2 | 322.9 |
2011 | Geometry | 8th Grade | Mean Scaled Score | 408.3 | 408.3 | 424.6 |
2004 | History - Social Science Grade 8 | 8th Grade | Mean Scaled Score | 313.3 | 313.3 | 319.2 |
2005 | History - Social Science Grade 8 | 8th Grade | Mean Scaled Score | 328.9 | 328.9 | 323.8 |
2006 | History - Social Science Grade 8 | 8th Grade | Mean Scaled Score | 332 | 332 | 327.9 |
2007 | History - Social Science Grade 8 | 8th Grade | Mean Scaled Score | 332 | 332 | 329.8 |
2008 | History - Social Science Grade 8 | 8th Grade | Mean Scaled Score | 343.4 | 342.9 | 333.9 |
2009 | History - Social Science Grade 8 | 8th Grade | Mean Scaled Score | 345.9 | 345.9 | 340.2 |
2010 | History - Social Science Grade 8 | 8th Grade | Mean Scaled Score | 353.4 | 353.4 | 348.1 |
2011 | History - Social Science Grade 8 | 8th Grade | Mean Scaled Score | 366.9 | 366.9 | 352.6 |
2012 | History - Social Science Grade 8 | 8th Grade | Mean Scaled Score | 356.4 | 355.1 | 356.6 |
2013 | History - Social Science Grade 8 | 8th Grade | Mean Scaled Score | 357.1 | 357.1 | 357.1 |
2006 | Science | 8th Grade | Mean Scaled Score | 343.8 | 343.8 | 331.2 |
2007 | Science | 8th Grade | Mean Scaled Score | 331.4 | 331.4 | 339.7 |
2008 | Science | 8th Grade | Mean Scaled Score | 344.7 | 344.5 | 355 |
2009 | Science | 8th Grade | Mean Scaled Score | 352.1 | 352.1 | 364.3 |
2010 | Science | 8th Grade | Mean Scaled Score | 353.5 | 353.5 | 375.3 |
2011 | Science | 8th Grade | Mean Scaled Score | 375.2 | 375.2 | 385.9 |
2012 | Science | 8th Grade | Mean Scaled Score | 376.4 | 374.4 | 394.8 |
2013 | Science | 8th Grade | Mean Scaled Score | 428.8 | 428.8 | 390.9 |
2005 | Algebra I | End of course | Mean Scaled Score | 332.2 | 332.2 | 307.8 |
2006 | Algebra I | End of course | Mean Scaled Score | 320.4 | 320.4 | 308.6 |
2007 | Algebra I | End of course | Mean Scaled Score | 302.3 | 302.3 | 311.1 |
2008 | Algebra I | End of course | Mean Scaled Score | 303.3 | 303.3 | 314.6 |
2009 | Algebra I | End of course | Mean Scaled Score | 341.2 | 341.2 | 319.7 |
2010 | Algebra I | End of course | Mean Scaled Score | 333.7 | 333.7 | 323.9 |
2011 | Algebra I | End of course | Mean Scaled Score | 362.8 | 362.8 | 326.9 |
2012 | Algebra I | End of course | Mean Scaled Score | 402.8 | 402.8 | 330.4 |
2013 | Algebra I | End of course | Mean Scaled Score | 367.2 | 367.2 | 334.1 |
2004 | General Mathematics | End of course | Mean Scaled Score | 322.9 | 322.9 | 305.6 |
2005 | General Mathematics | End of course | Mean Scaled Score | 347.7 | 347.7 | 310.1 |
2006 | General Mathematics | End of course | Mean Scaled Score | 324.6 | 324.6 | 310.1 |
2008 | General Mathematics | End of course | Mean Scaled Score | 265.8 | 271.7 | 315.2 |
2009 | General Mathematics | End of course | Mean Scaled Score | 298.8 | 298.8 | 315.8 |
2010 | General Mathematics | End of course | Mean Scaled Score | 326.1 | 326.1 | 314.7 |
2011 | General Mathematics | End of course | Mean Scaled Score | 321.4 | 321.4 | 316.8 |
2012 | General Mathematics | End of course | Mean Scaled Score | 314.8 | 313 | 318 |
2013 | General Mathematics | End of course | Mean Scaled Score | 324.2 | 324.2 | 317.9 |
2011 | Geometry | End of course | Mean Scaled Score | 408.3 | 408.3 | 320.3 |
Some data by SchoolDigger.com.
* Excelsior Middle Middle School was rated 3.5 out of 5 by USA.com. The ranking was calculated based on publically available historical Math and English performance data.