USA.com / California / Los Angeles County / Glendora, CA / Public Schools / Charter Oak High High School
Charter Oak High High School
1430 East Covina Blvd
Covina CA, 91724, Los Angeles County
Phone: 626-915-5841
Ranking: 
(690 out of 1,403, top 49%)*
(690 out of 1,403, top 49%)*Type: Regular High School
Status: Currently Operational
Grade: Grade 9 to Grade 12
School District: Charter Oak Unified 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: | 59 | 61 | 62 | NA | NA | 70 | 74 | 86 | ||||||
| Total Students: | 1,756 | 1,851 | 1,891 | 1,910 | 1,995 | 1,959 | 1,840 | |||||||
| Grade 9: | 436 | 24.8% | 457 | 24.7% | 472 | 25.0% | 489 | 25.6% | 548 | 27.5% | 497 | 25.4% | 483 | 26.3% |
| Grade 10: | 446 | 25.4% | 463 | 25.0% | 500 | 26.4% | 521 | 27.3% | 504 | 25.3% | 519 | 26.5% | 475 | 25.8% |
| Grade 11: | 436 | 24.8% | 466 | 25.2% | 491 | 26.0% | 462 | 24.2% | 475 | 23.8% | 518 | 26.4% | 396 | 21.5% |
| Grade 12: | 438 | 24.9% | 465 | 25.1% | 428 | 22.6% | 437 | 22.9% | 468 | 23.5% | 425 | 21.7% | 486 | 26.4% |
| Ungraded: | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA |
| Student By Gender: | ||||||||||||||
| Male: | 906 | 51.6% | 961 | 51.9% | 945 | 50.0% | 958 | 50.2% | 1,016 | 50.9% | 995 | 50.8% | 953 | 51.8% |
| Female: | 850 | 48.4% | 890 | 48.1% | 946 | 50.0% | 952 | 49.8% | 979 | 49.1% | 964 | 49.2% | 883 | 48.0% |
| Student By Races: | ||||||||||||||
| American Indian/Alaska Native: | 17 | 1.0% | 20 | 1.1% | 12 | 0.6% | 13 | 0.7% | 9 | 0.5% | 2 | 0.1% | 9 | 0.5% |
| Asian: | 122 | 6.9% | 113 | 6.1% | 113 | 6.0% | 117 | 6.1% | 136 | 6.8% | 133 | 6.8% | 142 | 7.7% |
| Hispanic: | 1,072 | 61.0% | 1,130 | 61.0% | 1,156 | 61.1% | 1,128 | 59.1% | 1,138 | 57.0% | 878 | 44.8% | 914 | 49.7% |
| Black: | 62 | 3.5% | 64 | 3.5% | 58 | 3.1% | 62 | 3.2% | 63 | 3.2% | 80 | 4.1% | 85 | 4.6% |
| White: | 418 | 23.8% | 452 | 24.4% | 469 | 24.8% | 512 | 26.8% | 556 | 27.9% | 648 | 33.1% | 690 | 37.5% |
| Hawaiian Native/Pacific Islander: | 8 | 0.5% | 9 | 0.5% | 7 | 0.4% | 5 | 0.3% | 4 | 0.2% | 9 | 0.5% | NA | NA |
| Two or More Races: | 57 | 3.2% | 63 | 3.4% | 76 | 4.0% | 73 | 3.8% | 89 | 4.5% | 209 | 10.7% | NA | NA |
| Lunch Program: | ||||||||||||||
| Free Lunch Program Eligible: | 640 | 36.4% | 681 | 36.8% | NA | NA | 456 | 23.9% | 449 | 22.5% | 422 | 21.5% | 400 | 21.7% |
| Reduced-Price Lunch Program Eligible: | 196 | 11.2% | 183 | 9.9% | NA | NA | 154 | 8.1% | 196 | 9.8% | 132 | 6.7% | 106 | 5.8% |
| Student-Teacher Ratio: | 29.84 | 30.23 | 30.49 | NA | NA | 28.42 | 23.60 | 21.50 | ||||||
Test Performance
| Year | Test | Grade | Measurement | Score | School District | State Average |
| CAHSEE | ||||||
| 2005 | English Language Arts | 10th Grade | % met std | 82% | 80% | 76% |
| 2006 | English Language Arts | 10th Grade | % met std | 85% | 83% | 77% |
| 2007 | English Language Arts | 10th Grade | % met std | 86% | 84% | 77% |
| 2008 | English Language Arts | 10th Grade | % met std | 86% | 83% | 79% |
| 2009 | English Language Arts | 10th Grade | % met std | 88.0% | 85.0% | 79.0% |
| 2010 | English Language Arts | 10th Grade | % met std | 86.0% | 86.0% | 81.0% |
| 2011 | English Language Arts | 10th Grade | % met std | 89.0% | 86.0% | 82.0% |
| 2012 | English Language Arts | 10th Grade | % met std | 87.0% | 85.0% | 83.0% |
| 2013 | English Language Arts | 10th Grade | % met std | 88.0% | 85.0% | 83.0% |
| 2005 | Math | 10th Grade | % met std | 78% | 76% | 74% |
| 2006 | Math | 10th Grade | % met std | 85% | 83% | 76% |
| 2007 | Math | 10th Grade | % met std | 82% | 80% | 76% |
| 2008 | Math | 10th Grade | % met std | 83% | 79% | 78% |
| 2009 | Math | 10th Grade | % met std | 82.0% | 78.0% | 80.0% |
| 2010 | Math | 10th Grade | % met std | 87.0% | 85.0% | 81.0% |
| 2011 | Math | 10th Grade | % met std | 88.0% | 85.0% | 83.0% |
| 2012 | Math | 10th Grade | % met std | 87.0% | 86.0% | 84.0% |
| 2013 | Math | 10th Grade | % met std | 87.0% | 85.0% | 84.0% |
| 2009 | English Language Arts | 11th Grade | % met std | 67.0% | 56.0% | 38.0% |
| 2009 | Math | 11th Grade | % met std | 67.0% | 54.0% | 36.0% |
| 2009 | English Language Arts | 12th Grade | % met std | 31.0% | 30.0% | 27.0% |
| 2009 | Math | 12th Grade | % met std | 48.0% | 36.0% | 28.0% |
| 2009 | English Language Arts | All grades (HS) | % met std | 79.0% | 72.0% | 61.0% |
| 2009 | Math | All grades (HS) | % met std | 78.0% | 68.0% | 61.0% |
| STAR | ||||||
| 2004 | Algebra I | 10th Grade | Mean Scaled Score | 289.8 | 289.3 | 286.3 |
| 2005 | Algebra I | 10th Grade | Mean Scaled Score | 289.8 | 291.3 | 289.8 |
| 2006 | Algebra I | 10th Grade | Mean Scaled Score | 288.3 | 288.1 | 286.4 |
| 2007 | Algebra I | 10th Grade | Mean Scaled Score | 285.3 | 283.8 | 286.9 |
| 2008 | Algebra I | 10th Grade | Mean Scaled Score | 284.9 | 289.7 | 285.3 |
| 2009 | Algebra I | 10th Grade | Mean Scaled Score | 272.6 | 271.5 | 287.9 |
| 2010 | Algebra I | 10th Grade | Mean Scaled Score | 278.4 | 277.8 | 290.1 |
| 2011 | Algebra I | 10th Grade | Mean Scaled Score | 275.9 | 270.7 | 292.4 |
| 2012 | Algebra I | 10th Grade | Mean Scaled Score | 295.9 | 293.3 | 292.4 |
| 2013 | Algebra I | 10th Grade | Mean Scaled Score | 308.1 | 299.4 | 294.7 |
| 2004 | Algebra II | 10th Grade | Mean Scaled Score | 338.5 | 337.7 | 329.2 |
| 2005 | Algebra II | 10th Grade | Mean Scaled Score | 317.7 | 317.7 | 330.6 |
| 2006 | Algebra II | 10th Grade | Mean Scaled Score | 322.2 | 322.2 | 328.6 |
| 2007 | Algebra II | 10th Grade | Mean Scaled Score | 327 | 329.4 | 328.8 |
| 2008 | Algebra II | 10th Grade | Mean Scaled Score | 325.5 | 324.8 | 331.9 |
| 2004 | Biology/Life Sciences | 10th Grade | Mean Scaled Score | 315.7 | 315.9 | 324.7 |
| 2005 | Biology/Life Sciences | 10th Grade | Mean Scaled Score | 309.9 | 310.1 | 325.5 |
| 2006 | Biology/Life Sciences | 10th Grade | Mean Scaled Score | 322.4 | 322.6 | 326.7 |
| 2007 | Biology/Life Sciences | 10th Grade | Mean Scaled Score | 327.2 | 326.9 | 327.7 |
| 2008 | Biology/Life Sciences | 10th Grade | Mean Scaled Score | 330.1 | 329.6 | 331.5 |
| 2009 | Biology/Life Sciences | 10th Grade | Mean Scaled Score | 329.3 | 329.1 | 333 |
| 2010 | Biology/Life Sciences | 10th Grade | Mean Scaled Score | 325.2 | 325 | 336.7 |
| 2011 | Biology/Life Sciences | 10th Grade | Mean Scaled Score | 335.1 | 335.2 | 340.1 |
| 2012 | Biology/Life Sciences | 10th Grade | Mean Scaled Score | 339.3 | 339 | 342.7 |
| 2013 | Biology/Life Sciences | 10th Grade | Mean Scaled Score | 334.6 | 333.3 | 341.4 |
| 2013 | Chemistry | 10th Grade | Mean Scaled Score | 375.1 | 375.1 | 350.6 |
| 2004 | English Language Arts Standards | 10th Grade | Mean Scaled Score | 338.7 | 334.3 | 328.1 |
| 2005 | English Language Arts Standards | 10th Grade | Mean Scaled Score | 332.2 | 329.5 | 328.4 |
| 2006 | English Language Arts Standards | 10th Grade | Mean Scaled Score | 331.8 | 329.8 | 328.5 |
| 2007 | English Language Arts Standards | 10th Grade | Mean Scaled Score | 330.6 | 327.7 | 331.3 |
| 2008 | English Language Arts Standards | 10th Grade | Mean Scaled Score | 334.6 | 331.3 | 336.2 |
| 2009 | English Language Arts Standards | 10th Grade | Mean Scaled Score | 338.5 | 333.7 | 338.1 |
| 2010 | English Language Arts Standards | 10th Grade | Mean Scaled Score | 337.4 | 335.8 | 341.4 |
| 2011 | English Language Arts Standards | 10th Grade | Mean Scaled Score | 346 | 341.4 | 346.4 |
| 2012 | English Language Arts Standards | 10th Grade | Mean Scaled Score | 349.1 | 346.7 | 348.4 |
| 2013 | English Language Arts Standards | 10th Grade | Mean Scaled Score | 356.8 | 353.5 | 352.4 |
| 2004 | Geometry | 10th Grade | Mean Scaled Score | 303 | 302.5 | 302.2 |
| 2005 | Geometry | 10th Grade | Mean Scaled Score | 290.1 | 290.2 | 300.1 |
| 2006 | Geometry | 10th Grade | Mean Scaled Score | 301.8 | 302 | 297.1 |
| 2007 | Geometry | 10th Grade | Mean Scaled Score | 300.5 | 300.2 | 291.8 |
| 2008 | Geometry | 10th Grade | Mean Scaled Score | 297.1 | 296.8 | 291.4 |
| 2009 | Geometry | 10th Grade | Mean Scaled Score | 317.4 | 316.8 | 293.6 |
| 2010 | Geometry | 10th Grade | Mean Scaled Score | 315.2 | 315.2 | 296.7 |
| 2011 | Geometry | 10th Grade | Mean Scaled Score | 310.9 | 310.6 | 298.5 |
| 2012 | Geometry | 10th Grade | Mean Scaled Score | 336.9 | 335.5 | 299.7 |
| 2013 | Geometry | 10th Grade | Mean Scaled Score | 329.8 | 329.4 | 296.9 |
| 2012 | Integrated Math 1 | 10th Grade | Mean Scaled Score | 284.9 | 284.9 | 290.4 |
| 2013 | Integrated Math 1 | 10th Grade | Mean Scaled Score | 288.6 | 288.6 | 287.9 |
| 2004 | Integrated/Coordinated Science I | 10th Grade | Mean Scaled Score | 315.7 | 305.7 | 286.6 |
| 2006 | Integrated/Coordinated Science I | 10th Grade | Mean Scaled Score | 271.3 | 271.6 | 294.1 |
| 2007 | Integrated/Coordinated Science I | 10th Grade | Mean Scaled Score | 297 | 290.8 | 291.6 |
| 2008 | Integrated/Coordinated Science I | 10th Grade | Mean Scaled Score | 302.3 | 300.6 | 289.1 |
| 2011 | Integrated/Coordinated Science I | 10th Grade | Mean Scaled Score | 317 | 310.5 | 298.6 |
| 2012 | Integrated/Coordinated Science I | 10th Grade | Mean Scaled Score | 343.6 | 343.6 | 301.2 |
| 2004 | Physics | 10th Grade | Mean Scaled Score | 339.1 | 339.1 | 312 |
| 2005 | Physics | 10th Grade | Mean Scaled Score | 336.2 | 336.2 | 319.3 |
| 2006 | Physics | 10th Grade | Mean Scaled Score | 339.9 | 339.9 | 321.4 |
| 2009 | Physics | 10th Grade | Mean Scaled Score | 353.6 | 353.6 | 339 |
| 2010 | Physics | 10th Grade | Mean Scaled Score | 387.2 | 384.1 | 343.1 |
| 2011 | Physics | 10th Grade | Mean Scaled Score | 417.8 | 417.8 | 347.8 |
| 2012 | Physics | 10th Grade | Mean Scaled Score | 403.2 | 403.2 | 349.5 |
| 2006 | Science | 10th Grade | Mean Scaled Score | 327.3 | 324.2 | 326.7 |
| 2007 | Science | 10th Grade | Mean Scaled Score | 325.9 | 322.4 | 328.3 |
| 2008 | Science | 10th Grade | Mean Scaled Score | 330.5 | 326.4 | 337 |
| 2009 | Science | 10th Grade | Mean Scaled Score | 348.3 | 342.4 | 343.3 |
| 2010 | Science | 10th Grade | Mean Scaled Score | 336 | 334.2 | 348.1 |
| 2011 | Science | 10th Grade | Mean Scaled Score | 349.7 | 345.1 | 353.1 |
| 2012 | Science | 10th Grade | Mean Scaled Score | 350.7 | 348.7 | 357.3 |
| 2013 | Science | 10th Grade | Mean Scaled Score | 358.1 | 355.6 | 360.4 |
| 2010 | Summative High School Mathematics | 10th Grade | Mean Scaled Score | 379.6 | 379.6 | 397.4 |
| 2011 | Summative High School Mathematics | 10th Grade | Mean Scaled Score | 390 | 390 | 398.5 |
| 2012 | Summative High School Mathematics | 10th Grade | Mean Scaled Score | 372.6 | 372.6 | 400.4 |
| 2013 | Summative High School Mathematics | 10th Grade | Mean Scaled Score | 407.9 | 407.9 | 399.2 |
| 2004 | World History | 10th Grade | Mean Scaled Score | 317.4 | 313.3 | 318.1 |
| 2005 | World History | 10th Grade | Mean Scaled Score | 316.4 | 313.5 | 320.6 |
| 2006 | World History | 10th Grade | Mean Scaled Score | 317.2 | 314.8 | 321.1 |
| 2007 | World History | 10th Grade | Mean Scaled Score | 311.7 | 308.9 | 323.3 |
| 2008 | World History | 10th Grade | Mean Scaled Score | 304 | 303.8 | 327.5 |
| 2009 | World History | 10th Grade | Mean Scaled Score | 307.4 | 304.2 | 331.5 |
| 2010 | World History | 10th Grade | Mean Scaled Score | 301.3 | 301.8 | 338.5 |
| 2011 | World History | 10th Grade | Mean Scaled Score | 328.5 | 323.7 | 343.5 |
| 2012 | World History | 10th Grade | Mean Scaled Score | 332.5 | 329.2 | 347 |
| 2013 | World History | 10th Grade | Mean Scaled Score | 344.0 | 338.4 | 347.9 |
| 2004 | Algebra I | 11th Grade | Mean Scaled Score | 280.4 | 281.8 | 279.3 |
| 2005 | Algebra I | 11th Grade | Mean Scaled Score | 282.7 | 282.7 | 282.8 |
| 2006 | Algebra I | 11th Grade | Mean Scaled Score | 304.6 | 292.6 | 278.8 |
| 2007 | Algebra I | 11th Grade | Mean Scaled Score | 285.3 | 282.8 | 279.5 |
| 2009 | Algebra I | 11th Grade | Mean Scaled Score | 259 | 275.8 | 280.4 |
| 2010 | Algebra I | 11th Grade | Mean Scaled Score | 284.4 | 278.4 | 282.3 |
| 2011 | Algebra I | 11th Grade | Mean Scaled Score | 275.1 | 274.9 | 285.2 |
| 2012 | Algebra I | 11th Grade | Mean Scaled Score | 319.5 | 310.2 | 284.9 |
| 2004 | Algebra II | 11th Grade | Mean Scaled Score | 292.4 | 292.1 | 288.9 |
| 2005 | Algebra II | 11th Grade | Mean Scaled Score | 283.5 | 282.8 | 288.6 |
| 2006 | Algebra II | 11th Grade | Mean Scaled Score | 278.3 | 278.1 | 286.8 |
| 2007 | Algebra II | 11th Grade | Mean Scaled Score | 287.1 | 287.1 | 288.5 |
| 2008 | Algebra II | 11th Grade | Mean Scaled Score | 280.6 | 280.8 | 288.2 |
| 2009 | Algebra II | 11th Grade | Mean Scaled Score | 272.6 | 272.6 | 290.4 |
| 2010 | Algebra II | 11th Grade | Mean Scaled Score | 285.9 | 285.8 | 294.1 |
| 2011 | Algebra II | 11th Grade | Mean Scaled Score | 299.6 | 300.5 | 296.7 |
| 2012 | Algebra II | 11th Grade | Mean Scaled Score | 310.9 | 310.9 | 299.7 |
| 2013 | Algebra II | 11th Grade | Mean Scaled Score | 317.4 | 317.1 | 294.6 |
| 2004 | Biology/Life Sciences | 11th Grade | Mean Scaled Score | 293.4 | 294.4 | 328.5 |
| 2005 | Biology/Life Sciences | 11th Grade | Mean Scaled Score | 313.6 | 313.6 | 329.7 |
| 2006 | Biology/Life Sciences | 11th Grade | Mean Scaled Score | 297 | 297 | 331.6 |
| 2007 | Biology/Life Sciences | 11th Grade | Mean Scaled Score | 297.5 | 297.5 | 335.3 |
| 2008 | Biology/Life Sciences | 11th Grade | Mean Scaled Score | 306.5 | 298.6 | 337.9 |
| 2009 | Biology/Life Sciences | 11th Grade | Mean Scaled Score | 325.1 | 321.5 | 343.3 |
| 2010 | Biology/Life Sciences | 11th Grade | Mean Scaled Score | 389 | 387.3 | 348.4 |
| 2011 | Biology/Life Sciences | 11th Grade | Mean Scaled Score | 396 | 374 | 353.7 |
| 2012 | Biology/Life Sciences | 11th Grade | Mean Scaled Score | 407 | 404.2 | 357.2 |
| 2013 | Biology/Life Sciences | 11th Grade | Mean Scaled Score | 385.2 | 373.3 | 357.9 |
| 2004 | Chemistry | 11th Grade | Mean Scaled Score | 339 | 339 | 319.7 |
| 2005 | Chemistry | 11th Grade | Mean Scaled Score | 344.4 | 344.4 | 321.9 |
| 2006 | Chemistry | 11th Grade | Mean Scaled Score | 329.7 | 329.7 | 320.7 |
| 2007 | Chemistry | 11th Grade | Mean Scaled Score | 321 | 321 | 323 |
| 2008 | Chemistry | 11th Grade | Mean Scaled Score | 317.2 | 317.2 | 320.9 |
| 2009 | Chemistry | 11th Grade | Mean Scaled Score | 335.6 | 335.6 | 323.5 |
| 2010 | Chemistry | 11th Grade | Mean Scaled Score | 323 | 323 | 326.9 |
| 2011 | Chemistry | 11th Grade | Mean Scaled Score | 328.9 | 330.5 | 330 |
| 2012 | Chemistry | 11th Grade | Mean Scaled Score | 330.4 | 330.4 | 332.5 |
| 2013 | Chemistry | 11th Grade | Mean Scaled Score | 325.8 | 325.8 | 334.4 |
| 2004 | English Language Arts Standards | 11th Grade | Mean Scaled Score | 332.7 | 325.5 | 319.7 |
| 2005 | English Language Arts Standards | 11th Grade | Mean Scaled Score | 333.8 | 325 | 323.1 |
| 2006 | English Language Arts Standards | 11th Grade | Mean Scaled Score | 322.9 | 315.5 | 324.4 |
| 2007 | English Language Arts Standards | 11th Grade | Mean Scaled Score | 326.7 | 321.3 | 327.6 |
| 2008 | English Language Arts Standards | 11th Grade | Mean Scaled Score | 330.2 | 321.5 | 327.4 |
| 2009 | English Language Arts Standards | 11th Grade | Mean Scaled Score | 332.4 | 325.3 | 332.2 |
| 2010 | English Language Arts Standards | 11th Grade | Mean Scaled Score | 347.3 | 337.8 | 336.8 |
| 2011 | English Language Arts Standards | 11th Grade | Mean Scaled Score | 348.9 | 344.7 | 341.7 |
| 2012 | English Language Arts Standards | 11th Grade | Mean Scaled Score | 346.9 | 342.2 | 344.7 |
| 2013 | English Language Arts Standards | 11th Grade | Mean Scaled Score | 343.3 | 340.4 | 344.8 |
| 2004 | Geometry | 11th Grade | Mean Scaled Score | 283.9 | 284.5 | 282.7 |
| 2005 | Geometry | 11th Grade | Mean Scaled Score | 276.3 | 276.8 | 279.3 |
| 2006 | Geometry | 11th Grade | Mean Scaled Score | 270.3 | 269.3 | 277.6 |
| 2007 | Geometry | 11th Grade | Mean Scaled Score | 271.5 | 271.2 | 274.7 |
| 2008 | Geometry | 11th Grade | Mean Scaled Score | 284.5 | 279.3 | 274.1 |
| 2009 | Geometry | 11th Grade | Mean Scaled Score | 304 | 298.3 | 275.3 |
| 2010 | Geometry | 11th Grade | Mean Scaled Score | 276.6 | 274.6 | 279.7 |
| 2011 | Geometry | 11th Grade | Mean Scaled Score | 287.2 | 285.7 | 281 |
| 2012 | Geometry | 11th Grade | Mean Scaled Score | 298.9 | 294.6 | 281.7 |
| 2013 | Geometry | 11th Grade | Mean Scaled Score | 299.0 | 294.3 | 280.3 |
| 2011 | Integrated Math 1 | 11th Grade | Mean Scaled Score | 283.6 | 283.6 | 289 |
| 2012 | Integrated Math 1 | 11th Grade | Mean Scaled Score | 277.7 | 277.7 | 291.3 |
| 2013 | Integrated Math 1 | 11th Grade | Mean Scaled Score | 279.3 | 279.3 | 289.6 |
| 2012 | Integrated Math 2 | 11th Grade | Mean Scaled Score | 292.3 | 292.3 | 312.5 |
| 2013 | Integrated Math 2 | 11th Grade | Mean Scaled Score | 296.3 | 296.3 | 312.5 |
| 2004 | Integrated/Coordinated Science I | 11th Grade | Mean Scaled Score | 288.6 | 288.6 | 287.2 |
| 2008 | Integrated/Coordinated Science I | 11th Grade | Mean Scaled Score | 308 | 297 | 293.9 |
| 2009 | Integrated/Coordinated Science I | 11th Grade | Mean Scaled Score | 305.1 | 299.3 | 297.7 |
| 2005 | Physics | 11th Grade | Mean Scaled Score | 327.1 | 327.1 | 338.1 |
| 2006 | Physics | 11th Grade | Mean Scaled Score | 316.4 | 316.4 | 338.8 |
| 2007 | Physics | 11th Grade | Mean Scaled Score | 335 | 335 | 342.6 |
| 2008 | Physics | 11th Grade | Mean Scaled Score | 320.9 | 320.9 | 346.7 |
| 2009 | Physics | 11th Grade | Mean Scaled Score | 301.3 | 301.3 | 352.3 |
| 2010 | Physics | 11th Grade | Mean Scaled Score | 342 | 340.6 | 353.3 |
| 2011 | Physics | 11th Grade | Mean Scaled Score | 358.4 | 358.4 | 358.7 |
| 2012 | Physics | 11th Grade | Mean Scaled Score | 385.3 | 385.3 | 359.8 |
| 2004 | Summative High School Mathematics | 11th Grade | Mean Scaled Score | 333.2 | 333.2 | 336 |
| 2005 | Summative High School Mathematics | 11th Grade | Mean Scaled Score | 338.8 | 338.8 | 340.7 |
| 2006 | Summative High School Mathematics | 11th Grade | Mean Scaled Score | 306.6 | 306.6 | 341.2 |
| 2007 | Summative High School Mathematics | 11th Grade | Mean Scaled Score | 319 | 319 | 341.2 |
| 2008 | Summative High School Mathematics | 11th Grade | Mean Scaled Score | 337.6 | 337.6 | 343.4 |
| 2009 | Summative High School Mathematics | 11th Grade | Mean Scaled Score | 328.1 | 328.1 | 348.2 |
| 2010 | Summative High School Mathematics | 11th Grade | Mean Scaled Score | 336.9 | 336.9 | 351.6 |
| 2011 | Summative High School Mathematics | 11th Grade | Mean Scaled Score | 348.8 | 348.8 | 351.3 |
| 2012 | Summative High School Mathematics | 11th Grade | Mean Scaled Score | 326.1 | 326.1 | 354.6 |
| 2013 | Summative High School Mathematics | 11th Grade | Mean Scaled Score | 336.8 | 336.8 | 351.5 |
| 2004 | U.S. History | 11th Grade | Mean Scaled Score | 326 | 320.3 | 326.1 |
| 2005 | U.S. History | 11th Grade | Mean Scaled Score | 335.6 | 326.7 | 329.1 |
| 2006 | U.S. History | 11th Grade | Mean Scaled Score | 331.2 | 321.9 | 329.2 |
| 2007 | U.S. History | 11th Grade | Mean Scaled Score | 332.2 | 325.2 | 329.6 |
| 2008 | U.S. History | 11th Grade | Mean Scaled Score | 349 | 336 | 331.4 |
| 2009 | U.S. History | 11th Grade | Mean Scaled Score | 361.5 | 346.5 | 338.5 |
| 2010 | U.S. History | 11th Grade | Mean Scaled Score | 368.1 | 355.8 | 341.4 |
| 2011 | U.S. History | 11th Grade | Mean Scaled Score | 362.7 | 356.3 | 344.7 |
| 2012 | U.S. History | 11th Grade | Mean Scaled Score | 362.4 | 355.9 | 346.9 |
| 2013 | U.S. History | 11th Grade | Mean Scaled Score | 356.5 | 349.3 | 348.5 |
| 2008 | World History | 11th Grade | Mean Scaled Score | 225.8 | 252.6 | 266.4 |
| 2004 | Algebra I | 9th Grade | Mean Scaled Score | 290 | 290 | 301.2 |
| 2005 | Algebra I | 9th Grade | Mean Scaled Score | 319.1 | 318.6 | 304.2 |
| 2006 | Algebra I | 9th Grade | Mean Scaled Score | 306.1 | 305.8 | 302.5 |
| 2007 | Algebra I | 9th Grade | Mean Scaled Score | 308.4 | 308.1 | 302 |
| 2008 | Algebra I | 9th Grade | Mean Scaled Score | 311.1 | 310.1 | 302.4 |
| 2009 | Algebra I | 9th Grade | Mean Scaled Score | 309.9 | 307.9 | 305.8 |
| 2010 | Algebra I | 9th Grade | Mean Scaled Score | 312.1 | 310.6 | 307.9 |
| 2011 | Algebra I | 9th Grade | Mean Scaled Score | 308.9 | 308.3 | 309.3 |
| 2012 | Algebra I | 9th Grade | Mean Scaled Score | 311.9 | 310.4 | 311.6 |
| 2013 | Algebra I | 9th Grade | Mean Scaled Score | 315.8 | 315.3 | 313.2 |
| 2006 | Algebra II | 9th Grade | Mean Scaled Score | 366.1 | 367.2 | 372.8 |
| 2007 | Algebra II | 9th Grade | Mean Scaled Score | 350.2 | 350.8 | 378.4 |
| 2008 | Algebra II | 9th Grade | Mean Scaled Score | 354.5 | 354.5 | 384.4 |
| 2009 | Algebra II | 9th Grade | Mean Scaled Score | 322.8 | 323.6 | 382.8 |
| 2010 | Algebra II | 9th Grade | Mean Scaled Score | 329.1 | 329.1 | 392.8 |
| 2011 | Algebra II | 9th Grade | Mean Scaled Score | 323.5 | 323.1 | 396.1 |
| 2012 | Algebra II | 9th Grade | Mean Scaled Score | 361.1 | 361.1 | 395.9 |
| 2013 | Algebra II | 9th Grade | Mean Scaled Score | 353.1 | 353.1 | 384.1 |
| 2004 | Biology/Life Sciences | 9th Grade | Mean Scaled Score | 351.3 | 351.3 | 338.2 |
| 2005 | Biology/Life Sciences | 9th Grade | Mean Scaled Score | 356.3 | 356.3 | 340.5 |
| 2007 | Biology/Life Sciences | 9th Grade | Mean Scaled Score | 286.5 | 285.1 | 347.8 |
| 2012 | Biology/Life Sciences | 9th Grade | Mean Scaled Score | 399.3 | 398 | 366.1 |
| 2013 | Biology/Life Sciences | 9th Grade | Mean Scaled Score | 378.5 | 376.6 | 363.9 |
| 2006 | Chemistry | 9th Grade | Mean Scaled Score | 343.2 | 343.2 | 329.1 |
| 2007 | Chemistry | 9th Grade | Mean Scaled Score | 342.4 | 342.4 | 334.2 |
| 2008 | Chemistry | 9th Grade | Mean Scaled Score | 349.5 | 349.5 | 341.3 |
| 2009 | Chemistry | 9th Grade | Mean Scaled Score | 356.2 | 356.2 | 342 |
| 2010 | Chemistry | 9th Grade | Mean Scaled Score | 359.5 | 359.5 | 346.4 |
| 2011 | Chemistry | 9th Grade | Mean Scaled Score | 353.4 | 353.4 | 345.5 |
| 2004 | Earth Science | 9th Grade | Mean Scaled Score | 260.9 | 280.6 | 318.7 |
| 2004 | English Language Arts Standards | 9th Grade | Mean Scaled Score | 333.8 | 332.8 | 330.6 |
| 2005 | English Language Arts Standards | 9th Grade | Mean Scaled Score | 351.3 | 349.8 | 339.7 |
| 2006 | English Language Arts Standards | 9th Grade | Mean Scaled Score | 345.3 | 343.3 | 339.1 |
| 2007 | English Language Arts Standards | 9th Grade | Mean Scaled Score | 344 | 342.6 | 345 |
| 2008 | English Language Arts Standards | 9th Grade | Mean Scaled Score | 357 | 354.8 | 348 |
| 2009 | English Language Arts Standards | 9th Grade | Mean Scaled Score | 350.6 | 350.6 | 349.7 |
| 2010 | English Language Arts Standards | 9th Grade | Mean Scaled Score | 359.2 | 357.7 | 353.7 |
| 2011 | English Language Arts Standards | 9th Grade | Mean Scaled Score | 358.6 | 358.6 | 357.7 |
| 2012 | English Language Arts Standards | 9th Grade | Mean Scaled Score | 365.1 | 362.8 | 361.5 |
| 2013 | English Language Arts Standards | 9th Grade | Mean Scaled Score | 363.0 | 362.2 | 363.9 |
| 2004 | General Mathematics | 9th Grade | Mean Scaled Score | 253.6 | 273.7 | 294.8 |
| 2005 | General Mathematics | 9th Grade | Mean Scaled Score | 308.1 | 308.4 | 298.3 |
| 2006 | General Mathematics | 9th Grade | Mean Scaled Score | 278.7 | 292.9 | 297.1 |
| 2007 | General Mathematics | 9th Grade | Mean Scaled Score | 275.7 | 288.2 | 299 |
| 2008 | General Mathematics | 9th Grade | Mean Scaled Score | 274.1 | 287.9 | 300.6 |
| 2009 | General Mathematics | 9th Grade | Mean Scaled Score | 272.6 | 277.3 | 300 |
| 2010 | General Mathematics | 9th Grade | Mean Scaled Score | 268.8 | 272.3 | 298.9 |
| 2011 | General Mathematics | 9th Grade | Mean Scaled Score | 272.1 | 273.3 | 299.2 |
| 2012 | General Mathematics | 9th Grade | Mean Scaled Score | 273 | 276.9 | 300.1 |
| 2013 | General Mathematics | 9th Grade | Mean Scaled Score | 257.5 | 259.5 | 300.5 |
| 2004 | Geometry | 9th Grade | Mean Scaled Score | 314.3 | 314.3 | 344.4 |
| 2005 | Geometry | 9th Grade | Mean Scaled Score | 331.7 | 331.3 | 349.5 |
| 2006 | Geometry | 9th Grade | Mean Scaled Score | 335.2 | 335.2 | 345.8 |
| 2009 | Geometry | 9th Grade | Mean Scaled Score | 402.4 | 402.4 | 346.9 |
| 2010 | Geometry | 9th Grade | Mean Scaled Score | 424.5 | 411.2 | 347.9 |
| 2011 | Geometry | 9th Grade | Mean Scaled Score | 404.8 | 395.8 | 349 |
| 2012 | Geometry | 9th Grade | Mean Scaled Score | 418.6 | 415.8 | 349.2 |
| 2013 | Geometry | 9th Grade | Mean Scaled Score | 390.1 | 390.1 | 345.3 |
| 2004 | Integrated/Coordinated Science I | 9th Grade | Mean Scaled Score | 293 | 293 | 295.9 |
| 2005 | Integrated/Coordinated Science I | 9th Grade | Mean Scaled Score | 310.6 | 310.1 | 302 |
| 2006 | Integrated/Coordinated Science I | 9th Grade | Mean Scaled Score | 308.8 | 308.4 | 302.7 |
| 2007 | Integrated/Coordinated Science I | 9th Grade | Mean Scaled Score | 308.3 | 308.3 | 302.4 |
| 2008 | Integrated/Coordinated Science I | 9th Grade | Mean Scaled Score | 319.4 | 318.6 | 302 |
| 2009 | Integrated/Coordinated Science I | 9th Grade | Mean Scaled Score | 316 | 315.7 | 306 |
| 2010 | Integrated/Coordinated Science I | 9th Grade | Mean Scaled Score | 327.1 | 325.8 | 312.3 |
| 2011 | Integrated/Coordinated Science I | 9th Grade | Mean Scaled Score | 317.8 | 317.6 | 315.6 |
| 2012 | Integrated/Coordinated Science I | 9th Grade | Mean Scaled Score | 325.1 | 325.1 | 316.8 |
| 2013 | Integrated/Coordinated Science I | 9th Grade | Mean Scaled Score | 324.8 | 324.8 | 321.5 |
| 2007 | World History | 9th Grade | Mean Scaled Score | 342.3 | 342.3 | 316.7 |
| 2008 | World History | 9th Grade | Mean Scaled Score | 379.3 | 377.3 | 324.8 |
| 2009 | World History | 9th Grade | Mean Scaled Score | 398.6 | 397.3 | 330.3 |
| 2010 | World History | 9th Grade | Mean Scaled Score | 392.6 | 378.1 | 340 |
| 2011 | World History | 9th Grade | Mean Scaled Score | 402.2 | 402.2 | 347.3 |
| 2012 | World History | 9th Grade | Mean Scaled Score | 404.2 | 399.8 | 351.4 |
| 2013 | World History | 9th Grade | Mean Scaled Score | 397.1 | 390.3 | 354.5 |
| 2004 | Algebra I | End of course | Mean Scaled Score | 288.8 | 302.5 | 304.9 |
| 2005 | Algebra I | End of course | Mean Scaled Score | 306.2 | 320.5 | 307.8 |
| 2006 | Algebra I | End of course | Mean Scaled Score | 300.2 | 304.9 | 308.6 |
| 2007 | Algebra I | End of course | Mean Scaled Score | 303.2 | 302.6 | 311.1 |
| 2008 | Algebra I | End of course | Mean Scaled Score | 307.9 | 314.2 | 314.6 |
| 2009 | Algebra I | End of course | Mean Scaled Score | 304 | 305.3 | 319.7 |
| 2010 | Algebra I | End of course | Mean Scaled Score | 306.8 | 318.1 | 323.9 |
| 2011 | Algebra I | End of course | Mean Scaled Score | 303.8 | 318.9 | 326.9 |
| 2012 | Algebra I | End of course | Mean Scaled Score | 310 | 321.8 | 330.4 |
| 2013 | Algebra I | End of course | Mean Scaled Score | 315.0 | 324.2 | 334.1 |
| 2004 | Algebra II | End of course | Mean Scaled Score | 309.3 | 308.8 | 312.4 |
| 2005 | Algebra II | End of course | Mean Scaled Score | 298.9 | 298.4 | 313.9 |
| 2006 | Algebra II | End of course | Mean Scaled Score | 311.7 | 311.8 | 312.6 |
| 2007 | Algebra II | End of course | Mean Scaled Score | 312.1 | 313.9 | 313.9 |
| 2008 | Algebra II | End of course | Mean Scaled Score | 309.1 | 312.3 | 316.1 |
| 2009 | Algebra II | End of course | Mean Scaled Score | 288.3 | 295.5 | 317.9 |
| 2010 | Algebra II | End of course | Mean Scaled Score | 298.4 | 305.2 | 324 |
| 2011 | Algebra II | End of course | Mean Scaled Score | 310.8 | 321.7 | 328.3 |
| 2012 | Algebra II | End of course | Mean Scaled Score | 330.7 | 336.7 | 331.2 |
| 2013 | Algebra II | End of course | Mean Scaled Score | 334.9 | 340.4 | 325.2 |
| 2004 | Biology/Life Sciences | End of course | Mean Scaled Score | 322.5 | 322.6 | 329.6 |
| 2005 | Biology/Life Sciences | End of course | Mean Scaled Score | 319.6 | 319.7 | 331.1 |
| 2006 | Biology/Life Sciences | End of course | Mean Scaled Score | 321.6 | 321.8 | 333.4 |
| 2007 | Biology/Life Sciences | End of course | Mean Scaled Score | 324.4 | 324 | 335.6 |
| 2008 | Biology/Life Sciences | End of course | Mean Scaled Score | 329.7 | 328.9 | 340.1 |
| 2009 | Biology/Life Sciences | End of course | Mean Scaled Score | 328.9 | 328.3 | 343 |
| 2010 | Biology/Life Sciences | End of course | Mean Scaled Score | 333.6 | 333.4 | 347.2 |
| 2011 | Biology/Life Sciences | End of course | Mean Scaled Score | 340.4 | 339.4 | 351.7 |
| 2012 | Biology/Life Sciences | End of course | Mean Scaled Score | 356.3 | 355.7 | 354.9 |
| 2013 | Biology/Life Sciences | End of course | Mean Scaled Score | 352.3 | 349.8 | 354.0 |
| 2004 | Chemistry | End of course | Mean Scaled Score | 338.3 | 338.3 | 325.7 |
| 2005 | Chemistry | End of course | Mean Scaled Score | 344.4 | 344.4 | 326.8 |
| 2006 | Chemistry | End of course | Mean Scaled Score | 334.5 | 334.5 | 326.6 |
| 2007 | Chemistry | End of course | Mean Scaled Score | 327.4 | 327.4 | 329.8 |
| 2008 | Chemistry | End of course | Mean Scaled Score | 327.7 | 327.7 | 330.5 |
| 2009 | Chemistry | End of course | Mean Scaled Score | 344.4 | 344.3 | 333 |
| 2010 | Chemistry | End of course | Mean Scaled Score | 337.1 | 337.1 | 336.7 |
| 2011 | Chemistry | End of course | Mean Scaled Score | 342.3 | 342.8 | 339.7 |
| 2012 | Chemistry | End of course | Mean Scaled Score | 330.2 | 330.2 | 342.2 |
| 2013 | Chemistry | End of course | Mean Scaled Score | 345.8 | 345.8 | 342.9 |
| 2004 | Earth Science | End of course | Mean Scaled Score | 260.9 | 291.6 | 315.3 |
| 2004 | General Mathematics | End of course | Mean Scaled Score | 253.6 | 301.2 | 305.6 |
| 2005 | General Mathematics | End of course | Mean Scaled Score | 308.1 | 315.9 | 310.1 |
| 2006 | General Mathematics | End of course | Mean Scaled Score | 278.7 | 285.3 | 310.1 |
| 2007 | General Mathematics | End of course | Mean Scaled Score | 275.7 | 281.7 | 311 |
| 2008 | General Mathematics | End of course | Mean Scaled Score | 274.1 | 289 | 315.2 |
| 2009 | General Mathematics | End of course | Mean Scaled Score | 272.6 | 278.6 | 315.8 |
| 2010 | General Mathematics | End of course | Mean Scaled Score | 268.8 | 278 | 314.7 |
| 2011 | General Mathematics | End of course | Mean Scaled Score | 272.1 | 275 | 316.8 |
| 2012 | General Mathematics | End of course | Mean Scaled Score | 273 | 276.3 | 318 |
| 2013 | General Mathematics | End of course | Mean Scaled Score | 257.5 | 270.8 | 317.9 |
| 2004 | Geometry | End of course | Mean Scaled Score | 302.4 | 301.9 | 314.2 |
| 2005 | Geometry | End of course | Mean Scaled Score | 302.2 | 302.4 | 314.9 |
| 2006 | Geometry | End of course | Mean Scaled Score | 293 | 293.9 | 312.8 |
| 2007 | Geometry | End of course | Mean Scaled Score | 290.9 | 289.9 | 310.2 |
| 2008 | Geometry | End of course | Mean Scaled Score | 296.3 | 295.2 | 310.7 |
| 2009 | Geometry | End of course | Mean Scaled Score | 319.4 | 317.3 | 313.4 |
| 2010 | Geometry | End of course | Mean Scaled Score | 320.4 | 318.9 | 317.2 |
| 2011 | Geometry | End of course | Mean Scaled Score | 314.2 | 313.4 | 320.3 |
| 2012 | Geometry | End of course | Mean Scaled Score | 344.2 | 342.1 | 322.8 |
| 2013 | Geometry | End of course | Mean Scaled Score | 335.9 | 334.4 | 320.8 |
| 2011 | Integrated Math 1 | End of course | Mean Scaled Score | 283.6 | 283.6 | 293.5 |
| 2012 | Integrated Math 1 | End of course | Mean Scaled Score | 281.9 | 281.9 | 292.1 |
| 2013 | Integrated Math 1 | End of course | Mean Scaled Score | 285.9 | 285.9 | 290.8 |
| 2012 | Integrated Math 2 | End of course | Mean Scaled Score | 293.6 | 293.6 | 322.9 |
| 2013 | Integrated Math 2 | End of course | Mean Scaled Score | 296.3 | 296.3 | 318.2 |
| 2004 | Integrated/Coordinated Science I | End of course | Mean Scaled Score | 293.5 | 293.3 | 293.6 |
| 2005 | Integrated/Coordinated Science I | End of course | Mean Scaled Score | 309.9 | 309.1 | 299.6 |
| 2006 | Integrated/Coordinated Science I | End of course | Mean Scaled Score | 307.4 | 306.7 | 301.1 |
| 2007 | Integrated/Coordinated Science I | End of course | Mean Scaled Score | 307.7 | 307.3 | 300.4 |
| 2008 | Integrated/Coordinated Science I | End of course | Mean Scaled Score | 318 | 316.7 | 299.7 |
| 2009 | Integrated/Coordinated Science I | End of course | Mean Scaled Score | 315.4 | 314.4 | 303.9 |
| 2010 | Integrated/Coordinated Science I | End of course | Mean Scaled Score | 326.8 | 325.3 | 309.8 |
| 2011 | Integrated/Coordinated Science I | End of course | Mean Scaled Score | 317.8 | 317.5 | 312.9 |
| 2012 | Integrated/Coordinated Science I | End of course | Mean Scaled Score | 325.8 | 325.8 | 314.2 |
| 2013 | Integrated/Coordinated Science I | End of course | Mean Scaled Score | 325.4 | 325.4 | 318.7 |
| 2004 | Physics | End of course | Mean Scaled Score | 332.8 | 332.8 | 323.2 |
| 2005 | Physics | End of course | Mean Scaled Score | 333.1 | 333.1 | 325.9 |
| 2006 | Physics | End of course | Mean Scaled Score | 334.9 | 334.9 | 328.3 |
| 2007 | Physics | End of course | Mean Scaled Score | 329.7 | 329.7 | 335 |
| 2008 | Physics | End of course | Mean Scaled Score | 320.9 | 320.9 | 341.1 |
| 2009 | Physics | End of course | Mean Scaled Score | 321.1 | 321.1 | 347.1 |
| 2010 | Physics | End of course | Mean Scaled Score | 359.4 | 357.4 | 349.1 |
| 2011 | Physics | End of course | Mean Scaled Score | 377.4 | 377.4 | 354.3 |
| 2012 | Physics | End of course | Mean Scaled Score | 396.6 | 396.6 | 355.2 |
| 2013 | Physics | End of course | Mean Scaled Score | 408.2 | 404.7 | 355.5 |
| 2004 | Summative High School Mathematics | End of course | Mean Scaled Score | 333.3 | 333.3 | 340.8 |
| 2005 | Summative High School Mathematics | End of course | Mean Scaled Score | 338.8 | 338.8 | 345.3 |
| 2006 | Summative High School Mathematics | End of course | Mean Scaled Score | 310.9 | 310.9 | 346.9 |
| 2007 | Summative High School Mathematics | End of course | Mean Scaled Score | 321 | 321 | 346.8 |
| 2008 | Summative High School Mathematics | End of course | Mean Scaled Score | 341.6 | 341.6 | 349.9 |
| 2009 | Summative High School Mathematics | End of course | Mean Scaled Score | 331.4 | 331.4 | 355.3 |
| 2010 | Summative High School Mathematics | End of course | Mean Scaled Score | 344.3 | 344.3 | 359.2 |
| 2011 | Summative High School Mathematics | End of course | Mean Scaled Score | 356.4 | 356.4 | 359.3 |
| 2012 | Summative High School Mathematics | End of course | Mean Scaled Score | 333.7 | 333.7 | 362.6 |
| 2013 | Summative High School Mathematics | End of course | Mean Scaled Score | 352.6 | 352.6 | 360.2 |
| 2007 | World History | End of course | Mean Scaled Score | 318 | 315.2 | 321.1 |
| 2008 | World History | End of course | Mean Scaled Score | 313.8 | 311.4 | 324.8 |
| 2009 | World History | End of course | Mean Scaled Score | 325 | 317.2 | 329 |
| 2010 | World History | End of course | Mean Scaled Score | 320.6 | 317.9 | 336.8 |
| 2011 | World History | End of course | Mean Scaled Score | 341.9 | 336.6 | 342 |
| 2012 | World History | End of course | Mean Scaled Score | 343.5 | 339.7 | 345.7 |
| 2013 | World History | End of course | Mean Scaled Score | 350.6 | 344.3 | 346.7 |
Some data by SchoolDigger.com.
* Charter Oak High High School was rated 4 out of 5 by USA.com. The ranking was calculated based on publically available historical Math and English performance data.