Twin Ridges Home Study Charter Primary School
111 New Mohawk Rd
Nevada City CA, 95959, Nevada County
Phone: 530-478-1815
Ranking: 
(5,077 out of 6,930, bottom 27%)*
(5,077 out of 6,930, bottom 27%)*Type: Regular Primary School
Status: Currently Operational
Grade: Kindergarten to Grade 8
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: | 4 | 4 | 5 | NA | NA | 6 | 6 | 7 | ||||||
| Total Students: | 91 | 107 | 119 | 113 | 133 | 130 | 140 | |||||||
| Kindergarten: | 12 | 13.2% | 8 | 7.5% | 16 | 13.4% | 10 | 8.8% | 10 | 7.5% | 8 | 6.2% | 19 | 13.6% |
| Grade 1: | 11 | 12.1% | 14 | 13.1% | 10 | 8.4% | 5 | 4.4% | 14 | 10.5% | 20 | 15.4% | 17 | 12.1% |
| Grade 2: | 11 | 12.1% | 12 | 11.2% | 8 | 6.7% | 11 | 9.7% | 21 | 15.8% | 17 | 13.1% | 27 | 19.3% |
| Grade 3: | 7 | 7.7% | 11 | 10.3% | 20 | 16.8% | 23 | 20.4% | 19 | 14.3% | 27 | 20.8% | 19 | 13.6% |
| Grade 4: | 10 | 11.0% | 12 | 11.2% | 19 | 16.0% | 11 | 9.7% | 24 | 18.0% | 15 | 11.5% | 15 | 10.7% |
| Grade 5: | 11 | 12.1% | 15 | 14.0% | 10 | 8.4% | 24 | 21.2% | 17 | 12.8% | 15 | 11.5% | 16 | 11.4% |
| Grade 6: | 12 | 13.2% | 5 | 4.7% | 18 | 15.1% | 14 | 12.4% | 9 | 6.8% | 14 | 10.8% | 10 | 7.1% |
| Grade 7: | 6 | 6.6% | 21 | 19.6% | 10 | 8.4% | 6 | 5.3% | 13 | 9.8% | 8 | 6.2% | 8 | 5.7% |
| Grade 8: | 11 | 12.1% | 9 | 8.4% | 8 | 6.7% | 9 | 8.0% | 6 | 4.5% | 6 | 4.6% | 9 | 6.4% |
| Ungraded: | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA |
| Student By Gender: | ||||||||||||||
| Male: | 50 | 54.9% | 54 | 50.5% | 61 | 51.3% | 60 | 53.1% | 72 | 54.1% | 76 | 58.5% | 79 | 56.4% |
| Female: | 41 | 45.1% | 53 | 49.5% | 58 | 48.7% | 53 | 46.9% | 61 | 45.9% | 54 | 41.5% | 57 | 40.7% |
| Student By Races: | ||||||||||||||
| American Indian/Alaska Native: | 2 | 2.2% | 1 | 0.9% | 1 | 0.8% | 1 | 0.9% | 0 | 0.0% | 2 | 1.5% | 3 | 2.1% |
| Asian: | 1 | 1.1% | 1 | 0.9% | 1 | 0.8% | 5 | 4.4% | 8 | 6.0% | 1 | 0.8% | 0 | 0.0% |
| Hispanic: | 4 | 4.4% | 10 | 9.3% | 8 | 6.7% | 9 | 8.0% | 12 | 9.0% | 7 | 5.4% | 11 | 7.9% |
| Black: | 6 | 6.6% | 1 | 0.9% | 1 | 0.8% | 0 | 0.0% | 0 | 0.0% | 0 | 0.0% | 0 | 0.0% |
| White: | 78 | 85.7% | 94 | 87.9% | 108 | 90.8% | 98 | 86.7% | 112 | 84.2% | 117 | 90.0% | 126 | 90.0% |
| Hawaiian Native/Pacific Islander: | 0 | 0.0% | 0 | 0.0% | 0 | 0.0% | 0 | 0.0% | 0 | 0.0% | 1 | 0.8% | NA | NA |
| Two or More Races: | 0 | 0.0% | 0 | 0.0% | 0 | 0.0% | 0 | 0.0% | 1 | 0.8% | 2 | 1.5% | NA | NA |
| Lunch Program: | ||||||||||||||
| Free Lunch Program Eligible: | 30 | 33.0% | 26 | 24.3% | NA | NA | 10 | 8.8% | 29 | 21.8% | 25 | 19.2% | NA | NA |
| Reduced-Price Lunch Program Eligible: | 18 | 19.8% | 23 | 21.5% | NA | NA | 14 | 12.4% | 17 | 12.8% | 5 | 3.8% | NA | NA |
| Student-Teacher Ratio: | 20.68 | 24.32 | 23.80 | NA | NA | 22.17 | 18.30 | 20.60 | ||||||
Test Performance
| Year | Test | Grade | Measurement | Score | School District | State Average |
| STAR | ||||||
| 2009 | English Language Arts Standards | 2nd Grade | Mean Scaled Score | 320.6 | 308.5 | 352.8 |
| 2010 | English Language Arts Standards | 2nd Grade | Mean Scaled Score | 307.8 | 308.9 | 356.6 |
| 2011 | English Language Arts Standards | 2nd Grade | Mean Scaled Score | 301.4 | 312 | 359.5 |
| 2009 | Mathematics | 2nd Grade | Mean Scaled Score | 347.6 | 339.8 | 376.7 |
| 2010 | Mathematics | 2nd Grade | Mean Scaled Score | 333.7 | 328 | 381.6 |
| 2011 | Mathematics | 2nd Grade | Mean Scaled Score | 340.8 | 330.9 | 382.2 |
| 2009 | English Language Arts Standards | 3rd Grade | Mean Scaled Score | 326.2 | 331.5 | 340.3 |
| 2010 | English Language Arts Standards | 3rd Grade | Mean Scaled Score | 340.1 | 315.2 | 342.2 |
| 2011 | English Language Arts Standards | 3rd Grade | Mean Scaled Score | 306.5 | 319.8 | 345.3 |
| 2012 | English Language Arts Standards | 3rd Grade | Mean Scaled Score | 329.2 | 327.5 | 347.1 |
| 2009 | Mathematics | 3rd Grade | Mean Scaled Score | 325.6 | 330.1 | 387.7 |
| 2010 | Mathematics | 3rd Grade | Mean Scaled Score | 343.6 | 321 | 395.4 |
| 2011 | Mathematics | 3rd Grade | Mean Scaled Score | 328.2 | 331.5 | 400.6 |
| 2012 | Mathematics | 3rd Grade | Mean Scaled Score | 319.6 | 331.7 | 399.2 |
| 2009 | English Language Arts Standards | 4th Grade | Mean Scaled Score | 390.3 | 361.6 | 366.8 |
| 2010 | English Language Arts Standards | 4th Grade | Mean Scaled Score | 377.5 | 365.5 | 369.9 |
| 2012 | English Language Arts Standards | 4th Grade | Mean Scaled Score | 352.4 | 360.9 | 375.2 |
| 2009 | Mathematics | 4th Grade | Mean Scaled Score | 368.9 | 343 | 382.5 |
| 2010 | Mathematics | 4th Grade | Mean Scaled Score | 334.5 | 338.8 | 389.9 |
| 2012 | Mathematics | 4th Grade | Mean Scaled Score | 315.6 | 334.5 | 395.2 |
| 2009 | English Language Arts Standards | 5th Grade | Mean Scaled Score | 340.8 | 363.1 | 356.2 |
| 2010 | English Language Arts Standards | 5th Grade | Mean Scaled Score | 389 | 359.1 | 359.4 |
| 2011 | English Language Arts Standards | 5th Grade | Mean Scaled Score | 368.3 | 360.1 | 362 |
| 2009 | Mathematics | 5th Grade | Mean Scaled Score | 299 | 332.2 | 375.8 |
| 2010 | Mathematics | 5th Grade | Mean Scaled Score | 336.4 | 325 | 383.4 |
| 2011 | Mathematics | 5th Grade | Mean Scaled Score | 321.4 | 321.8 | 392.6 |
| 2009 | Science | 5th Grade | Mean Scaled Score | 346.9 | 349.7 | 354.1 |
| 2010 | Science | 5th Grade | Mean Scaled Score | 387.9 | 352.4 | 362.2 |
| 2011 | Science | 5th Grade | Mean Scaled Score | 362 | 349.7 | 367.2 |
| 2009 | English Language Arts Standards | 6th Grade | Mean Scaled Score | 377 | 360.5 | 352.5 |
| 2011 | English Language Arts Standards | 6th Grade | Mean Scaled Score | 391.9 | 361.3 | 358.4 |
| 2012 | English Language Arts Standards | 6th Grade | Mean Scaled Score | 375.2 | 365.9 | 364.2 |
| 2009 | Mathematics | 6th Grade | Mean Scaled Score | 341.7 | 349.1 | 354.5 |
| 2011 | Mathematics | 6th Grade | Mean Scaled Score | 375.5 | 338.9 | 364.6 |
| 2012 | Mathematics | 6th Grade | Mean Scaled Score | 332.1 | 342 | 366.8 |
| 2010 | English Language Arts Standards | 7th Grade | Mean Scaled Score | 365.9 | 372.8 | 356.4 |
| 2010 | Mathematics | 7th Grade | Mean Scaled Score | 330.9 | 347.3 | 352.2 |
Some data by SchoolDigger.com.
* Twin Ridges Home Study Charter Primary School was rated 2 out of 5 by USA.com. The ranking was calculated based on publically available historical Math and English performance data.