USA.com / California / San Bernardino County / Mt Baldy, CA / Public Schools / Los Osos High High School
Los Osos High High School
6001 Milliken Ave
Rancho Cucamonga CA, 91737, San Bernardino County
Phone: 909-477-6900
Ranking: 
(120 out of 1,403, top 9%)*
(120 out of 1,403, top 9%)*Type: Regular High School
Status: Currently Operational
Grade: Grade 9 to Grade 12
School District: Chaffey Joint Union High School District
Title I Eligible School: No
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: | 115 | 117 | 113 | NA | NA | 117 | 119 | 134 | ||||||
| Total Students: | 3,150 | 3,233 | 3,250 | 3,365 | 3,262 | 3,208 | 2,957 | |||||||
| Grade 9: | 772 | 24.5% | 805 | 24.9% | 768 | 23.6% | 830 | 24.7% | 853 | 26.1% | 825 | 25.7% | 751 | 25.4% |
| Grade 10: | 808 | 25.7% | 787 | 24.3% | 825 | 25.4% | 867 | 25.8% | 833 | 25.5% | 863 | 26.9% | 721 | 24.4% |
| Grade 11: | 775 | 24.6% | 807 | 25.0% | 836 | 25.7% | 825 | 24.5% | 855 | 26.2% | 734 | 22.9% | 782 | 26.4% |
| Grade 12: | 795 | 25.2% | 834 | 25.8% | 821 | 25.3% | 843 | 25.1% | 721 | 22.1% | 786 | 24.5% | 702 | 23.7% |
| Ungraded: | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA |
| Student By Gender: | ||||||||||||||
| Male: | 1,645 | 52.2% | 1,675 | 51.8% | 1,668 | 51.3% | 1,714 | 50.9% | 1,646 | 50.5% | 1,631 | 50.8% | 1,499 | 50.7% |
| Female: | 1,505 | 47.8% | 1,558 | 48.2% | 1,582 | 48.7% | 1,651 | 49.1% | 1,616 | 49.5% | 1,577 | 49.2% | 1,454 | 49.2% |
| Student By Races: | ||||||||||||||
| American Indian/Alaska Native: | 10 | 0.3% | 12 | 0.4% | 12 | 0.4% | 9 | 0.3% | 8 | 0.2% | 6 | 0.2% | 5 | 0.2% |
| Asian: | 432 | 13.7% | 460 | 14.2% | 448 | 13.8% | 413 | 12.3% | 395 | 12.1% | 360 | 11.2% | 324 | 11.0% |
| Hispanic: | 1,059 | 33.6% | 1,072 | 33.2% | 1,031 | 31.7% | 1,032 | 30.7% | 989 | 30.3% | 834 | 26.0% | 787 | 26.6% |
| Black: | 314 | 10.0% | 331 | 10.2% | 352 | 10.8% | 381 | 11.3% | 358 | 11.0% | 349 | 10.9% | 332 | 11.2% |
| White: | 1,268 | 40.3% | 1,292 | 40.0% | 1,328 | 40.9% | 1,434 | 42.6% | 1,424 | 43.7% | 1,457 | 45.4% | 1,509 | 51.0% |
| Hawaiian Native/Pacific Islander: | 8 | 0.3% | 8 | 0.2% | 12 | 0.4% | 20 | 0.6% | 18 | 0.6% | 15 | 0.5% | NA | NA |
| Two or More Races: | 59 | 1.9% | 58 | 1.8% | 67 | 2.1% | 76 | 2.3% | 70 | 2.1% | 187 | 5.8% | NA | NA |
| Lunch Program: | ||||||||||||||
| Free Lunch Program Eligible: | 609 | 19.3% | 586 | 18.1% | NA | NA | 477 | 14.2% | 308 | 9.4% | 229 | 7.1% | 152 | 5.1% |
| Reduced-Price Lunch Program Eligible: | 219 | 7.0% | 199 | 6.2% | NA | NA | 114 | 3.4% | 125 | 3.8% | 115 | 3.6% | 86 | 2.9% |
| Student-Teacher Ratio: | 27.36 | 27.69 | 28.65 | NA | NA | 27.88 | 23.60 | 22.10 | ||||||
Test Performance
| Year | Test | Grade | Measurement | Score | School District | State Average |
| CAHSEE | ||||||
| 2005 | English Language Arts | 10th Grade | % met std | 90% | 76% | 76% |
| 2006 | English Language Arts | 10th Grade | % met std | 91% | 75% | 77% |
| 2007 | English Language Arts | 10th Grade | % met std | 90% | 78% | 77% |
| 2008 | English Language Arts | 10th Grade | % met std | 92% | 80% | 79% |
| 2009 | English Language Arts | 10th Grade | % met std | 92.0% | 80.0% | 79.0% |
| 2010 | English Language Arts | 10th Grade | % met std | 92.0% | 81.0% | 81.0% |
| 2011 | English Language Arts | 10th Grade | % met std | 93.0% | 84.0% | 82.0% |
| 2012 | English Language Arts | 10th Grade | % met std | 93.0% | 85.0% | 83.0% |
| 2013 | English Language Arts | 10th Grade | % met std | 94.0% | 86.0% | 83.0% |
| 2005 | Math | 10th Grade | % met std | 88% | 75% | 74% |
| 2006 | Math | 10th Grade | % met std | 90% | 76% | 76% |
| 2007 | Math | 10th Grade | % met std | 89% | 75% | 76% |
| 2008 | Math | 10th Grade | % met std | 90% | 79% | 78% |
| 2009 | Math | 10th Grade | % met std | 93.0% | 81.0% | 80.0% |
| 2010 | Math | 10th Grade | % met std | 93.0% | 82.0% | 81.0% |
| 2011 | Math | 10th Grade | % met std | 91.0% | 83.0% | 83.0% |
| 2012 | Math | 10th Grade | % met std | 93.0% | 85.0% | 84.0% |
| 2013 | Math | 10th Grade | % met std | 94.0% | 86.0% | 84.0% |
| 2009 | English Language Arts | 11th Grade | % met std | 59.0% | 36.0% | 38.0% |
| 2009 | Math | 11th Grade | % met std | 49.0% | 34.0% | 36.0% |
| 2009 | English Language Arts | 12th Grade | % met std | 64.0% | 30.0% | 27.0% |
| 2009 | Math | 12th Grade | % met std | 49.0% | 33.0% | 28.0% |
| 2009 | English Language Arts | All grades (HS) | % met std | 89.0% | 64.0% | 61.0% |
| 2009 | Math | All grades (HS) | % met std | 87.0% | 65.0% | 61.0% |
| STAR | ||||||
| 2004 | Algebra I | 10th Grade | Mean Scaled Score | 286.8 | 287.3 | 286.3 |
| 2005 | Algebra I | 10th Grade | Mean Scaled Score | 297.9 | 292.5 | 289.8 |
| 2006 | Algebra I | 10th Grade | Mean Scaled Score | 301.6 | 287.6 | 286.4 |
| 2007 | Algebra I | 10th Grade | Mean Scaled Score | 314.6 | 291.9 | 286.9 |
| 2008 | Algebra I | 10th Grade | Mean Scaled Score | 304.9 | 296.9 | 285.3 |
| 2009 | Algebra I | 10th Grade | Mean Scaled Score | 301.8 | 298.5 | 287.9 |
| 2010 | Algebra I | 10th Grade | Mean Scaled Score | 305.6 | 294.4 | 290.1 |
| 2011 | Algebra I | 10th Grade | Mean Scaled Score | 320.2 | 303.9 | 292.4 |
| 2012 | Algebra I | 10th Grade | Mean Scaled Score | 304.3 | 296.3 | 292.4 |
| 2013 | Algebra I | 10th Grade | Mean Scaled Score | 308.4 | 292.8 | 294.7 |
| 2004 | Algebra II | 10th Grade | Mean Scaled Score | 359.7 | 339.2 | 329.2 |
| 2005 | Algebra II | 10th Grade | Mean Scaled Score | 361.1 | 346.5 | 330.6 |
| 2006 | Algebra II | 10th Grade | Mean Scaled Score | 389 | 349.9 | 328.6 |
| 2007 | Algebra II | 10th Grade | Mean Scaled Score | 382.3 | 351.2 | 328.8 |
| 2008 | Algebra II | 10th Grade | Mean Scaled Score | 384 | 367.4 | 331.9 |
| 2009 | Algebra II | 10th Grade | Mean Scaled Score | 393.3 | 370.1 | 332.5 |
| 2010 | Algebra II | 10th Grade | Mean Scaled Score | 391.9 | 372 | 339.6 |
| 2011 | Algebra II | 10th Grade | Mean Scaled Score | 408.6 | 383 | 343.1 |
| 2012 | Algebra II | 10th Grade | Mean Scaled Score | 413.9 | 385.1 | 343.8 |
| 2013 | Algebra II | 10th Grade | Mean Scaled Score | 404.8 | 375.2 | 335.6 |
| 2004 | Biology/Life Sciences | 10th Grade | Mean Scaled Score | 327.5 | 320.5 | 324.7 |
| 2005 | Biology/Life Sciences | 10th Grade | Mean Scaled Score | 333.4 | 320.4 | 325.5 |
| 2006 | Biology/Life Sciences | 10th Grade | Mean Scaled Score | 345.2 | 325.9 | 326.7 |
| 2007 | Biology/Life Sciences | 10th Grade | Mean Scaled Score | 349.8 | 328.2 | 327.7 |
| 2008 | Biology/Life Sciences | 10th Grade | Mean Scaled Score | 351.8 | 333.5 | 331.5 |
| 2009 | Biology/Life Sciences | 10th Grade | Mean Scaled Score | 350.5 | 332.8 | 333 |
| 2010 | Biology/Life Sciences | 10th Grade | Mean Scaled Score | 354.8 | 338 | 336.7 |
| 2011 | Biology/Life Sciences | 10th Grade | Mean Scaled Score | 354.5 | 343.5 | 340.1 |
| 2012 | Biology/Life Sciences | 10th Grade | Mean Scaled Score | 363.8 | 342.6 | 342.7 |
| 2013 | Biology/Life Sciences | 10th Grade | Mean Scaled Score | 354.2 | 336.4 | 341.4 |
| 2004 | Chemistry | 10th Grade | Mean Scaled Score | 345.3 | 344.8 | 333.9 |
| 2005 | Chemistry | 10th Grade | Mean Scaled Score | 354.8 | 349 | 333.5 |
| 2006 | Chemistry | 10th Grade | Mean Scaled Score | 361.7 | 353.8 | 334.1 |
| 2007 | Chemistry | 10th Grade | Mean Scaled Score | 372.1 | 354.5 | 338.3 |
| 2008 | Chemistry | 10th Grade | Mean Scaled Score | 383.1 | 363.2 | 342 |
| 2009 | Chemistry | 10th Grade | Mean Scaled Score | 368.3 | 360.9 | 344 |
| 2010 | Chemistry | 10th Grade | Mean Scaled Score | 375.6 | 360.9 | 347.1 |
| 2011 | Chemistry | 10th Grade | Mean Scaled Score | 377 | 364.2 | 349.6 |
| 2012 | Chemistry | 10th Grade | Mean Scaled Score | 380.5 | 368.2 | 351.5 |
| 2013 | Chemistry | 10th Grade | Mean Scaled Score | 372.1 | 356.9 | 350.6 |
| 2004 | Earth Science | 10th Grade | Mean Scaled Score | 307.8 | 296.5 | 304.8 |
| 2005 | Earth Science | 10th Grade | Mean Scaled Score | 300.2 | 314.2 | 309.2 |
| 2007 | Earth Science | 10th Grade | Mean Scaled Score | 315.9 | 316.2 | 310.9 |
| 2008 | Earth Science | 10th Grade | Mean Scaled Score | 330.4 | 323.8 | 313.6 |
| 2009 | Earth Science | 10th Grade | Mean Scaled Score | 343.1 | 328.7 | 315.7 |
| 2013 | Earth Science | 10th Grade | Mean Scaled Score | 377.8 | 344.3 | 330.0 |
| 2004 | English Language Arts Standards | 10th Grade | Mean Scaled Score | 351 | 325.8 | 328.1 |
| 2005 | English Language Arts Standards | 10th Grade | Mean Scaled Score | 355.1 | 325.2 | 328.4 |
| 2006 | English Language Arts Standards | 10th Grade | Mean Scaled Score | 355.5 | 326.5 | 328.5 |
| 2007 | English Language Arts Standards | 10th Grade | Mean Scaled Score | 359.2 | 330.9 | 331.3 |
| 2008 | English Language Arts Standards | 10th Grade | Mean Scaled Score | 360.9 | 337.7 | 336.2 |
| 2009 | English Language Arts Standards | 10th Grade | Mean Scaled Score | 362.3 | 339.3 | 338.1 |
| 2010 | English Language Arts Standards | 10th Grade | Mean Scaled Score | 369 | 342.2 | 341.4 |
| 2011 | English Language Arts Standards | 10th Grade | Mean Scaled Score | 366.5 | 346.5 | 346.4 |
| 2012 | English Language Arts Standards | 10th Grade | Mean Scaled Score | 369.1 | 346.7 | 348.4 |
| 2013 | English Language Arts Standards | 10th Grade | Mean Scaled Score | 371.4 | 351.1 | 352.4 |
| 2004 | Geometry | 10th Grade | Mean Scaled Score | 316.3 | 310.7 | 302.2 |
| 2005 | Geometry | 10th Grade | Mean Scaled Score | 316.6 | 311.7 | 300.1 |
| 2006 | Geometry | 10th Grade | Mean Scaled Score | 327.1 | 313.8 | 297.1 |
| 2007 | Geometry | 10th Grade | Mean Scaled Score | 343.4 | 310.6 | 291.8 |
| 2008 | Geometry | 10th Grade | Mean Scaled Score | 340.7 | 305.6 | 291.4 |
| 2009 | Geometry | 10th Grade | Mean Scaled Score | 334.3 | 305.1 | 293.6 |
| 2010 | Geometry | 10th Grade | Mean Scaled Score | 343.7 | 309.5 | 296.7 |
| 2011 | Geometry | 10th Grade | Mean Scaled Score | 350.4 | 321.6 | 298.5 |
| 2012 | Geometry | 10th Grade | Mean Scaled Score | 344.9 | 312.6 | 299.7 |
| 2013 | Geometry | 10th Grade | Mean Scaled Score | 349.9 | 311.2 | 296.9 |
| 2006 | Science | 10th Grade | Mean Scaled Score | 360 | 333 | 326.7 |
| 2007 | Science | 10th Grade | Mean Scaled Score | 366.9 | 334.2 | 328.3 |
| 2008 | Science | 10th Grade | Mean Scaled Score | 374.7 | 342.9 | 337 |
| 2009 | Science | 10th Grade | Mean Scaled Score | 374.7 | 349.1 | 343.3 |
| 2010 | Science | 10th Grade | Mean Scaled Score | 375.8 | 352.4 | 348.1 |
| 2011 | Science | 10th Grade | Mean Scaled Score | 378.6 | 357.5 | 353.1 |
| 2012 | Science | 10th Grade | Mean Scaled Score | 389.7 | 357.2 | 357.3 |
| 2013 | Science | 10th Grade | Mean Scaled Score | 391.1 | 360.6 | 360.4 |
| 2009 | Summative High School Mathematics | 10th Grade | Mean Scaled Score | 437.7 | 412.4 | 393 |
| 2010 | Summative High School Mathematics | 10th Grade | Mean Scaled Score | 414.4 | 404.7 | 397.4 |
| 2011 | Summative High School Mathematics | 10th Grade | Mean Scaled Score | 442.6 | 432.7 | 398.5 |
| 2013 | Summative High School Mathematics | 10th Grade | Mean Scaled Score | 440.4 | 407.8 | 399.2 |
| 2004 | World History | 10th Grade | Mean Scaled Score | 340.3 | 321.3 | 318.1 |
| 2005 | World History | 10th Grade | Mean Scaled Score | 342.6 | 324.8 | 320.6 |
| 2006 | World History | 10th Grade | Mean Scaled Score | 351.2 | 325.7 | 321.1 |
| 2007 | World History | 10th Grade | Mean Scaled Score | 354.2 | 331.6 | 323.3 |
| 2008 | World History | 10th Grade | Mean Scaled Score | 365.4 | 338 | 327.5 |
| 2009 | World History | 10th Grade | Mean Scaled Score | 375.3 | 339.8 | 331.5 |
| 2010 | World History | 10th Grade | Mean Scaled Score | 380.1 | 347.4 | 338.5 |
| 2011 | World History | 10th Grade | Mean Scaled Score | 376.7 | 351.5 | 343.5 |
| 2012 | World History | 10th Grade | Mean Scaled Score | 378.1 | 357.7 | 347 |
| 2013 | World History | 10th Grade | Mean Scaled Score | 374.1 | 359.7 | 347.9 |
| 2004 | Algebra I | 11th Grade | Mean Scaled Score | 281.6 | 281.3 | 279.3 |
| 2005 | Algebra I | 11th Grade | Mean Scaled Score | 300.1 | 284.3 | 282.8 |
| 2006 | Algebra I | 11th Grade | Mean Scaled Score | 277.8 | 279.1 | 278.8 |
| 2007 | Algebra I | 11th Grade | Mean Scaled Score | 305.3 | 284.4 | 279.5 |
| 2008 | Algebra I | 11th Grade | Mean Scaled Score | 291 | 286.1 | 277.7 |
| 2009 | Algebra I | 11th Grade | Mean Scaled Score | 285.3 | 286.9 | 280.4 |
| 2010 | Algebra I | 11th Grade | Mean Scaled Score | 290.2 | 281.8 | 282.3 |
| 2011 | Algebra I | 11th Grade | Mean Scaled Score | 289.4 | 286.8 | 285.2 |
| 2012 | Algebra I | 11th Grade | Mean Scaled Score | 302.8 | 288.4 | 284.9 |
| 2013 | Algebra I | 11th Grade | Mean Scaled Score | 302.2 | 282.2 | 287.4 |
| 2004 | Algebra II | 11th Grade | Mean Scaled Score | 299.5 | 294.7 | 288.9 |
| 2005 | Algebra II | 11th Grade | Mean Scaled Score | 331.9 | 300.2 | 288.6 |
| 2006 | Algebra II | 11th Grade | Mean Scaled Score | 320.4 | 296 | 286.8 |
| 2007 | Algebra II | 11th Grade | Mean Scaled Score | 333.9 | 305.5 | 288.5 |
| 2008 | Algebra II | 11th Grade | Mean Scaled Score | 331.7 | 306.1 | 288.2 |
| 2009 | Algebra II | 11th Grade | Mean Scaled Score | 324.6 | 307.6 | 290.4 |
| 2010 | Algebra II | 11th Grade | Mean Scaled Score | 333.5 | 309.6 | 294.1 |
| 2011 | Algebra II | 11th Grade | Mean Scaled Score | 334 | 317.6 | 296.7 |
| 2012 | Algebra II | 11th Grade | Mean Scaled Score | 334.2 | 325.5 | 299.7 |
| 2013 | Algebra II | 11th Grade | Mean Scaled Score | 342.2 | 317.8 | 294.6 |
| 2004 | Biology/Life Sciences | 11th Grade | Mean Scaled Score | 321.2 | 328 | 328.5 |
| 2005 | Biology/Life Sciences | 11th Grade | Mean Scaled Score | 343.9 | 325 | 329.7 |
| 2006 | Biology/Life Sciences | 11th Grade | Mean Scaled Score | 336.8 | 313.8 | 331.6 |
| 2007 | Biology/Life Sciences | 11th Grade | Mean Scaled Score | 362.1 | 341.9 | 335.3 |
| 2008 | Biology/Life Sciences | 11th Grade | Mean Scaled Score | 359.8 | 336 | 337.9 |
| 2009 | Biology/Life Sciences | 11th Grade | Mean Scaled Score | 381.3 | 353 | 343.3 |
| 2010 | Biology/Life Sciences | 11th Grade | Mean Scaled Score | 374.1 | 355 | 348.4 |
| 2011 | Biology/Life Sciences | 11th Grade | Mean Scaled Score | 385.4 | 366.6 | 353.7 |
| 2012 | Biology/Life Sciences | 11th Grade | Mean Scaled Score | 403.5 | 379.1 | 357.2 |
| 2013 | Biology/Life Sciences | 11th Grade | Mean Scaled Score | 410.8 | 365.4 | 357.9 |
| 2004 | Chemistry | 11th Grade | Mean Scaled Score | 333.4 | 322.1 | 319.7 |
| 2005 | Chemistry | 11th Grade | Mean Scaled Score | 333.4 | 324.5 | 321.9 |
| 2006 | Chemistry | 11th Grade | Mean Scaled Score | 331.6 | 325.7 | 320.7 |
| 2007 | Chemistry | 11th Grade | Mean Scaled Score | 333.1 | 326.5 | 323 |
| 2008 | Chemistry | 11th Grade | Mean Scaled Score | 336.4 | 330.6 | 320.9 |
| 2009 | Chemistry | 11th Grade | Mean Scaled Score | 338.3 | 334.2 | 323.5 |
| 2010 | Chemistry | 11th Grade | Mean Scaled Score | 342.3 | 334.4 | 326.9 |
| 2011 | Chemistry | 11th Grade | Mean Scaled Score | 339 | 339.5 | 330 |
| 2012 | Chemistry | 11th Grade | Mean Scaled Score | 348.2 | 342.4 | 332.5 |
| 2013 | Chemistry | 11th Grade | Mean Scaled Score | 337.6 | 340.0 | 334.4 |
| 2004 | Earth Science | 11th Grade | Mean Scaled Score | 292.4 | 295.5 | 311.2 |
| 2005 | Earth Science | 11th Grade | Mean Scaled Score | 351 | 320 | 315.5 |
| 2006 | Earth Science | 11th Grade | Mean Scaled Score | 343.4 | 316.1 | 314.9 |
| 2007 | Earth Science | 11th Grade | Mean Scaled Score | 345.1 | 325.2 | 316.3 |
| 2008 | Earth Science | 11th Grade | Mean Scaled Score | 357.1 | 338.3 | 319.7 |
| 2009 | Earth Science | 11th Grade | Mean Scaled Score | 345.5 | 338.1 | 320.1 |
| 2010 | Earth Science | 11th Grade | Mean Scaled Score | 343.7 | 343.4 | 324.6 |
| 2011 | Earth Science | 11th Grade | Mean Scaled Score | 344.8 | 348.5 | 329.1 |
| 2012 | Earth Science | 11th Grade | Mean Scaled Score | 364 | 355.4 | 333.7 |
| 2013 | Earth Science | 11th Grade | Mean Scaled Score | 360.3 | 351.2 | 332.5 |
| 2004 | English Language Arts Standards | 11th Grade | Mean Scaled Score | 334.2 | 317.3 | 319.7 |
| 2005 | English Language Arts Standards | 11th Grade | Mean Scaled Score | 353.9 | 320.1 | 323.1 |
| 2006 | English Language Arts Standards | 11th Grade | Mean Scaled Score | 359.2 | 323.3 | 324.4 |
| 2007 | English Language Arts Standards | 11th Grade | Mean Scaled Score | 360.6 | 324.2 | 327.6 |
| 2008 | English Language Arts Standards | 11th Grade | Mean Scaled Score | 360.5 | 325.8 | 327.4 |
| 2009 | English Language Arts Standards | 11th Grade | Mean Scaled Score | 362.1 | 333.9 | 332.2 |
| 2010 | English Language Arts Standards | 11th Grade | Mean Scaled Score | 360.3 | 336.1 | 336.8 |
| 2011 | English Language Arts Standards | 11th Grade | Mean Scaled Score | 363.1 | 340.1 | 341.7 |
| 2012 | English Language Arts Standards | 11th Grade | Mean Scaled Score | 361.1 | 342.6 | 344.7 |
| 2013 | English Language Arts Standards | 11th Grade | Mean Scaled Score | 361.7 | 340.7 | 344.8 |
| 2004 | Geometry | 11th Grade | Mean Scaled Score | 286.5 | 288.8 | 282.7 |
| 2005 | Geometry | 11th Grade | Mean Scaled Score | 286.5 | 282.3 | 279.3 |
| 2006 | Geometry | 11th Grade | Mean Scaled Score | 296.5 | 282.8 | 277.6 |
| 2007 | Geometry | 11th Grade | Mean Scaled Score | 309.2 | 284.2 | 274.7 |
| 2008 | Geometry | 11th Grade | Mean Scaled Score | 307.1 | 283.7 | 274.1 |
| 2009 | Geometry | 11th Grade | Mean Scaled Score | 300.3 | 283.8 | 275.3 |
| 2010 | Geometry | 11th Grade | Mean Scaled Score | 303.2 | 284 | 279.7 |
| 2011 | Geometry | 11th Grade | Mean Scaled Score | 294 | 285.1 | 281 |
| 2012 | Geometry | 11th Grade | Mean Scaled Score | 299.4 | 284.3 | 281.7 |
| 2013 | Geometry | 11th Grade | Mean Scaled Score | 301.1 | 283.4 | 280.3 |
| 2005 | Integrated/Coordinated Science II | 11th Grade | Mean Scaled Score | 303.5 | 294.4 | 291.5 |
| 2006 | Integrated/Coordinated Science II | 11th Grade | Mean Scaled Score | 306.7 | 301 | 291.3 |
| 2005 | Physics | 11th Grade | Mean Scaled Score | 365.8 | 349.8 | 338.1 |
| 2006 | Physics | 11th Grade | Mean Scaled Score | 368.6 | 350.1 | 338.8 |
| 2007 | Physics | 11th Grade | Mean Scaled Score | 371.3 | 352.4 | 342.6 |
| 2008 | Physics | 11th Grade | Mean Scaled Score | 386.9 | 358 | 346.7 |
| 2009 | Physics | 11th Grade | Mean Scaled Score | 378.5 | 354.4 | 352.3 |
| 2010 | Physics | 11th Grade | Mean Scaled Score | 384.4 | 358.1 | 353.3 |
| 2011 | Physics | 11th Grade | Mean Scaled Score | 383 | 360.7 | 358.7 |
| 2012 | Physics | 11th Grade | Mean Scaled Score | 366.4 | 361.4 | 359.8 |
| 2013 | Physics | 11th Grade | Mean Scaled Score | 382.3 | 366.4 | 361.5 |
| 2004 | Summative High School Mathematics | 11th Grade | Mean Scaled Score | 358.8 | 339.9 | 336 |
| 2005 | Summative High School Mathematics | 11th Grade | Mean Scaled Score | 366 | 345 | 340.7 |
| 2006 | Summative High School Mathematics | 11th Grade | Mean Scaled Score | 357.6 | 345.1 | 341.2 |
| 2007 | Summative High School Mathematics | 11th Grade | Mean Scaled Score | 367 | 350.4 | 341.2 |
| 2008 | Summative High School Mathematics | 11th Grade | Mean Scaled Score | 368.8 | 346.9 | 343.4 |
| 2009 | Summative High School Mathematics | 11th Grade | Mean Scaled Score | 371.8 | 362.5 | 348.2 |
| 2010 | Summative High School Mathematics | 11th Grade | Mean Scaled Score | 379.2 | 365.1 | 351.6 |
| 2011 | Summative High School Mathematics | 11th Grade | Mean Scaled Score | 379.3 | 363.6 | 351.3 |
| 2012 | Summative High School Mathematics | 11th Grade | Mean Scaled Score | 392.8 | 373.5 | 354.6 |
| 2013 | Summative High School Mathematics | 11th Grade | Mean Scaled Score | 391.5 | 366.0 | 351.5 |
| 2004 | U.S. History | 11th Grade | Mean Scaled Score | 338.4 | 327.4 | 326.1 |
| 2005 | U.S. History | 11th Grade | Mean Scaled Score | 362.8 | 332.9 | 329.1 |
| 2006 | U.S. History | 11th Grade | Mean Scaled Score | 367.2 | 336.5 | 329.2 |
| 2007 | U.S. History | 11th Grade | Mean Scaled Score | 368.4 | 336.5 | 329.6 |
| 2008 | U.S. History | 11th Grade | Mean Scaled Score | 371.9 | 338.1 | 331.4 |
| 2009 | U.S. History | 11th Grade | Mean Scaled Score | 371.2 | 347.2 | 338.5 |
| 2010 | U.S. History | 11th Grade | Mean Scaled Score | 375.8 | 349.9 | 341.4 |
| 2011 | U.S. History | 11th Grade | Mean Scaled Score | 361.4 | 346.1 | 344.7 |
| 2012 | U.S. History | 11th Grade | Mean Scaled Score | 373.8 | 352.5 | 346.9 |
| 2013 | U.S. History | 11th Grade | Mean Scaled Score | 376.7 | 353.8 | 348.5 |
| 2008 | World History | 11th Grade | Mean Scaled Score | 176.4 | 210.5 | 266.4 |
| 2009 | World History | 11th Grade | Mean Scaled Score | 204 | 215.6 | 266 |
| 2012 | World History | 11th Grade | Mean Scaled Score | 178.5 | 240.4 | 285.4 |
| 2004 | Algebra I | 9th Grade | Mean Scaled Score | 305.6 | 293.6 | 301.2 |
| 2005 | Algebra I | 9th Grade | Mean Scaled Score | 321.4 | 306.1 | 304.2 |
| 2006 | Algebra I | 9th Grade | Mean Scaled Score | 330.7 | 303.7 | 302.5 |
| 2007 | Algebra I | 9th Grade | Mean Scaled Score | 325.7 | 304 | 302 |
| 2008 | Algebra I | 9th Grade | Mean Scaled Score | 335 | 307.8 | 302.4 |
| 2009 | Algebra I | 9th Grade | Mean Scaled Score | 331.6 | 314.7 | 305.8 |
| 2010 | Algebra I | 9th Grade | Mean Scaled Score | 341.3 | 318.4 | 307.9 |
| 2011 | Algebra I | 9th Grade | Mean Scaled Score | 359.7 | 327.4 | 309.3 |
| 2012 | Algebra I | 9th Grade | Mean Scaled Score | 364 | 326 | 311.6 |
| 2013 | Algebra I | 9th Grade | Mean Scaled Score | 353.3 | 329.9 | 313.2 |
| 2012 | Algebra II | 9th Grade | Mean Scaled Score | 484.6 | 408.8 | 395.9 |
| 2004 | Biology/Life Sciences | 9th Grade | Mean Scaled Score | 378.6 | 366.2 | 338.2 |
| 2005 | Biology/Life Sciences | 9th Grade | Mean Scaled Score | 384.3 | 367 | 340.5 |
| 2006 | Biology/Life Sciences | 9th Grade | Mean Scaled Score | 405.5 | 373 | 344.7 |
| 2007 | Biology/Life Sciences | 9th Grade | Mean Scaled Score | 411.4 | 369.6 | 347.8 |
| 2008 | Biology/Life Sciences | 9th Grade | Mean Scaled Score | 402.3 | 384.3 | 353.2 |
| 2009 | Biology/Life Sciences | 9th Grade | Mean Scaled Score | 417.4 | 385.3 | 355.5 |
| 2010 | Biology/Life Sciences | 9th Grade | Mean Scaled Score | 412.9 | 388.4 | 358.9 |
| 2011 | Biology/Life Sciences | 9th Grade | Mean Scaled Score | 419.8 | 392.6 | 363.5 |
| 2012 | Biology/Life Sciences | 9th Grade | Mean Scaled Score | 424.4 | 386 | 366.1 |
| 2013 | Biology/Life Sciences | 9th Grade | Mean Scaled Score | 368.4 | 349.8 | 363.9 |
| 2004 | Earth Science | 9th Grade | Mean Scaled Score | 338 | 318.7 | 318.7 |
| 2005 | Earth Science | 9th Grade | Mean Scaled Score | 337.8 | 323.6 | 321.9 |
| 2006 | Earth Science | 9th Grade | Mean Scaled Score | 338.2 | 327.5 | 321.1 |
| 2007 | Earth Science | 9th Grade | Mean Scaled Score | 345 | 328.7 | 322.8 |
| 2008 | Earth Science | 9th Grade | Mean Scaled Score | 347.5 | 335 | 326.1 |
| 2009 | Earth Science | 9th Grade | Mean Scaled Score | 347 | 333.4 | 326.3 |
| 2010 | Earth Science | 9th Grade | Mean Scaled Score | 344.7 | 337.6 | 329.9 |
| 2011 | Earth Science | 9th Grade | Mean Scaled Score | 352.8 | 343.3 | 332.6 |
| 2012 | Earth Science | 9th Grade | Mean Scaled Score | 359.8 | 338.4 | 336.4 |
| 2004 | English Language Arts Standards | 9th Grade | Mean Scaled Score | 357.3 | 328.6 | 330.6 |
| 2005 | English Language Arts Standards | 9th Grade | Mean Scaled Score | 364.1 | 336 | 339.7 |
| 2006 | English Language Arts Standards | 9th Grade | Mean Scaled Score | 370.6 | 340.5 | 339.1 |
| 2007 | English Language Arts Standards | 9th Grade | Mean Scaled Score | 370.8 | 346.3 | 345 |
| 2008 | English Language Arts Standards | 9th Grade | Mean Scaled Score | 379.2 | 349.3 | 348 |
| 2009 | English Language Arts Standards | 9th Grade | Mean Scaled Score | 377.4 | 351 | 349.7 |
| 2010 | English Language Arts Standards | 9th Grade | Mean Scaled Score | 382.4 | 353.8 | 353.7 |
| 2011 | English Language Arts Standards | 9th Grade | Mean Scaled Score | 386.3 | 357.4 | 357.7 |
| 2012 | English Language Arts Standards | 9th Grade | Mean Scaled Score | 388.9 | 362.5 | 361.5 |
| 2013 | English Language Arts Standards | 9th Grade | Mean Scaled Score | 387.2 | 364.9 | 363.9 |
| 2004 | Geometry | 9th Grade | Mean Scaled Score | 365.6 | 360.6 | 344.4 |
| 2005 | Geometry | 9th Grade | Mean Scaled Score | 382.1 | 376 | 349.5 |
| 2006 | Geometry | 9th Grade | Mean Scaled Score | 389.3 | 373.2 | 345.8 |
| 2007 | Geometry | 9th Grade | Mean Scaled Score | 391.4 | 378.6 | 345.5 |
| 2008 | Geometry | 9th Grade | Mean Scaled Score | 388 | 377.4 | 345.5 |
| 2009 | Geometry | 9th Grade | Mean Scaled Score | 382.4 | 376.6 | 346.9 |
| 2010 | Geometry | 9th Grade | Mean Scaled Score | 397.4 | 379.6 | 347.9 |
| 2011 | Geometry | 9th Grade | Mean Scaled Score | 410.2 | 383.1 | 349 |
| 2012 | Geometry | 9th Grade | Mean Scaled Score | 414.6 | 375.3 | 349.2 |
| 2013 | Geometry | 9th Grade | Mean Scaled Score | 406.0 | 377.0 | 345.3 |
| 2004 | Algebra I | End of course | Mean Scaled Score | 297.2 | 289.3 | 304.9 |
| 2005 | Algebra I | End of course | Mean Scaled Score | 312.6 | 297.9 | 307.8 |
| 2006 | Algebra I | End of course | Mean Scaled Score | 316.6 | 293.7 | 308.6 |
| 2007 | Algebra I | End of course | Mean Scaled Score | 319.4 | 296.5 | 311.1 |
| 2008 | Algebra I | End of course | Mean Scaled Score | 320.1 | 301.6 | 314.6 |
| 2009 | Algebra I | End of course | Mean Scaled Score | 321.2 | 306.9 | 319.7 |
| 2010 | Algebra I | End of course | Mean Scaled Score | 330.5 | 308.3 | 323.9 |
| 2011 | Algebra I | End of course | Mean Scaled Score | 347.4 | 318 | 326.9 |
| 2012 | Algebra I | End of course | Mean Scaled Score | 348.5 | 316.2 | 330.4 |
| 2013 | Algebra I | End of course | Mean Scaled Score | 339.2 | 319.7 | 334.1 |
| 2004 | Algebra II | End of course | Mean Scaled Score | 332.4 | 314.4 | 312.4 |
| 2005 | Algebra II | End of course | Mean Scaled Score | 346.9 | 319.8 | 313.9 |
| 2006 | Algebra II | End of course | Mean Scaled Score | 352.2 | 317.3 | 312.6 |
| 2007 | Algebra II | End of course | Mean Scaled Score | 357.3 | 324.2 | 313.9 |
| 2008 | Algebra II | End of course | Mean Scaled Score | 358.5 | 332.3 | 316.1 |
| 2009 | Algebra II | End of course | Mean Scaled Score | 363.2 | 332.9 | 317.9 |
| 2010 | Algebra II | End of course | Mean Scaled Score | 361.4 | 334.9 | 324 |
| 2011 | Algebra II | End of course | Mean Scaled Score | 369.7 | 344.6 | 328.3 |
| 2012 | Algebra II | End of course | Mean Scaled Score | 375.3 | 351 | 331.2 |
| 2013 | Algebra II | End of course | Mean Scaled Score | 369.2 | 343.3 | 325.2 |
| 2004 | Biology/Life Sciences | End of course | Mean Scaled Score | 333.6 | 325.3 | 329.6 |
| 2005 | Biology/Life Sciences | End of course | Mean Scaled Score | 342.2 | 324.6 | 331.1 |
| 2006 | Biology/Life Sciences | End of course | Mean Scaled Score | 355.9 | 326.1 | 333.4 |
| 2007 | Biology/Life Sciences | End of course | Mean Scaled Score | 361 | 334.9 | 335.6 |
| 2008 | Biology/Life Sciences | End of course | Mean Scaled Score | 366.4 | 340.4 | 340.1 |
| 2009 | Biology/Life Sciences | End of course | Mean Scaled Score | 370.2 | 343.1 | 343 |
| 2010 | Biology/Life Sciences | End of course | Mean Scaled Score | 370.9 | 347.1 | 347.2 |
| 2011 | Biology/Life Sciences | End of course | Mean Scaled Score | 374.5 | 354.1 | 351.7 |
| 2012 | Biology/Life Sciences | End of course | Mean Scaled Score | 386.8 | 358.2 | 354.9 |
| 2013 | Biology/Life Sciences | End of course | Mean Scaled Score | 367.0 | 345.5 | 354.0 |
| 2004 | Chemistry | End of course | Mean Scaled Score | 337.7 | 325.1 | 325.7 |
| 2005 | Chemistry | End of course | Mean Scaled Score | 339.8 | 329.8 | 326.8 |
| 2006 | Chemistry | End of course | Mean Scaled Score | 340.4 | 332 | 326.6 |
| 2007 | Chemistry | End of course | Mean Scaled Score | 346.8 | 333.2 | 329.8 |
| 2008 | Chemistry | End of course | Mean Scaled Score | 351.1 | 339.2 | 330.5 |
| 2009 | Chemistry | End of course | Mean Scaled Score | 352.3 | 341.7 | 333 |
| 2010 | Chemistry | End of course | Mean Scaled Score | 354.8 | 342.8 | 336.7 |
| 2011 | Chemistry | End of course | Mean Scaled Score | 353.1 | 345.9 | 339.7 |
| 2012 | Chemistry | End of course | Mean Scaled Score | 361.5 | 349.5 | 342.2 |
| 2013 | Chemistry | End of course | Mean Scaled Score | 353.6 | 347.0 | 342.9 |
| 2004 | Earth Science | End of course | Mean Scaled Score | 336 | 316.6 | 315.3 |
| 2005 | Earth Science | End of course | Mean Scaled Score | 337.3 | 322.9 | 318.7 |
| 2006 | Earth Science | End of course | Mean Scaled Score | 338.2 | 325.7 | 318.2 |
| 2007 | Earth Science | End of course | Mean Scaled Score | 344.5 | 328 | 319.8 |
| 2008 | Earth Science | End of course | Mean Scaled Score | 349.8 | 335 | 323.2 |
| 2009 | Earth Science | End of course | Mean Scaled Score | 346.6 | 333.8 | 323.6 |
| 2010 | Earth Science | End of course | Mean Scaled Score | 344.5 | 337.8 | 327.7 |
| 2011 | Earth Science | End of course | Mean Scaled Score | 351.2 | 343.8 | 330.9 |
| 2012 | Earth Science | End of course | Mean Scaled Score | 361.1 | 339.8 | 335 |
| 2013 | Earth Science | End of course | Mean Scaled Score | 360.8 | 339.4 | 333.2 |
| 2004 | Geometry | End of course | Mean Scaled Score | 328.2 | 318.4 | 314.2 |
| 2005 | Geometry | End of course | Mean Scaled Score | 325.9 | 317.3 | 314.9 |
| 2006 | Geometry | End of course | Mean Scaled Score | 336.7 | 319.8 | 312.8 |
| 2007 | Geometry | End of course | Mean Scaled Score | 348.7 | 321.7 | 310.2 |
| 2008 | Geometry | End of course | Mean Scaled Score | 348.7 | 318.7 | 310.7 |
| 2009 | Geometry | End of course | Mean Scaled Score | 342.6 | 317.6 | 313.4 |
| 2010 | Geometry | End of course | Mean Scaled Score | 351.6 | 321 | 317.2 |
| 2011 | Geometry | End of course | Mean Scaled Score | 354.6 | 328.1 | 320.3 |
| 2012 | Geometry | End of course | Mean Scaled Score | 355.3 | 323 | 322.8 |
| 2013 | Geometry | End of course | Mean Scaled Score | 362.5 | 324.6 | 320.8 |
| 2006 | Integrated/Coordinated Science I | End of course | Mean Scaled Score | 273 | 269.6 | 301.1 |
| 2005 | Integrated/Coordinated Science II | End of course | Mean Scaled Score | 303.5 | 293.9 | 297.9 |
| 2006 | Integrated/Coordinated Science II | End of course | Mean Scaled Score | 306.4 | 300.5 | 295.8 |
| 2005 | Physics | End of course | Mean Scaled Score | 366.2 | 348.6 | 325.9 |
| 2006 | Physics | End of course | Mean Scaled Score | 368.1 | 350 | 328.3 |
| 2007 | Physics | End of course | Mean Scaled Score | 371.3 | 350.3 | 335 |
| 2008 | Physics | End of course | Mean Scaled Score | 386.9 | 355.7 | 341.1 |
| 2009 | Physics | End of course | Mean Scaled Score | 376.3 | 354.2 | 347.1 |
| 2010 | Physics | End of course | Mean Scaled Score | 384.5 | 358.3 | 349.1 |
| 2011 | Physics | End of course | Mean Scaled Score | 381.8 | 360.8 | 354.3 |
| 2012 | Physics | End of course | Mean Scaled Score | 367.7 | 359.1 | 355.2 |
| 2013 | Physics | End of course | Mean Scaled Score | 384.0 | 362.6 | 355.5 |
| 2004 | Summative High School Mathematics | End of course | Mean Scaled Score | 362.6 | 342.1 | 340.8 |
| 2005 | Summative High School Mathematics | End of course | Mean Scaled Score | 367.2 | 346.2 | 345.3 |
| 2006 | Summative High School Mathematics | End of course | Mean Scaled Score | 358.7 | 346.5 | 346.9 |
| 2007 | Summative High School Mathematics | End of course | Mean Scaled Score | 366.7 | 351.3 | 346.8 |
| 2008 | Summative High School Mathematics | End of course | Mean Scaled Score | 371.1 | 348 | 349.9 |
| 2009 | Summative High School Mathematics | End of course | Mean Scaled Score | 375.9 | 363.8 | 355.3 |
| 2010 | Summative High School Mathematics | End of course | Mean Scaled Score | 380.7 | 366.5 | 359.2 |
| 2011 | Summative High School Mathematics | End of course | Mean Scaled Score | 382.8 | 365.7 | 359.3 |
| 2012 | Summative High School Mathematics | End of course | Mean Scaled Score | 394.8 | 375.9 | 362.6 |
| 2013 | Summative High School Mathematics | End of course | Mean Scaled Score | 397.3 | 370.0 | 360.2 |
| 2007 | World History | End of course | Mean Scaled Score | 354 | 330.9 | 321.1 |
| 2008 | World History | End of course | Mean Scaled Score | 362.6 | 335.7 | 324.8 |
| 2009 | World History | End of course | Mean Scaled Score | 373.9 | 337.9 | 329 |
| 2010 | World History | End of course | Mean Scaled Score | 379.6 | 346.7 | 336.8 |
| 2011 | World History | End of course | Mean Scaled Score | 376.2 | 350.7 | 342 |
| 2012 | World History | End of course | Mean Scaled Score | 377 | 356.9 | 345.7 |
| 2013 | World History | End of course | Mean Scaled Score | 373.6 | 358.7 | 346.7 |
Some data by SchoolDigger.com.
* Los Osos High High School was rated 5 out of 5 by USA.com. The ranking was calculated based on publically available historical Math and English performance data.