Sunridge Charter

Summary:

Sunridge Charter is a public charter elementary school located in Sebastopol, California, serving grades K-8 with a total enrollment of 243 students. The school is part of the Twin Hills Union Elementary District, which is ranked 290 out of 1,568 districts in California and has a 4-star rating from SchoolDigger.

Sunridge Charter consistently outperforms the Twin Hills Union Elementary District and the state of California in Smarter Balanced Assessments for English Language Arts/Literacy and Mathematics across all grade levels. In the 2023-2024 school year, Sunridge Charter's proficiency rates in ELA/Literacy ranged from 39.29% (3rd grade) to 82.35% (8th grade), compared to the district's 37.66% to 66.37% and the state's 42.8% to 47.04%. In Mathematics, Sunridge Charter's proficiency rates ranged from 23.08% (7th grade) to 54.55% (6th grade), compared to the district's 42.11% to 52.68% and the state's 31.57% to 45.64%. However, the school has experienced a significant increase in chronic absenteeism, rising from 5.1% in 2020-2021 to 33.2% in 2022-2023, which is higher than the state average.

Sunridge Charter's performance is generally stronger than the nearby schools in the Twin Hills Union Elementary District and the Gravenstein Union Elementary District. The Sebastopol Independent Charter School, located just 1.7 miles away, also demonstrates strong academic performance, with proficiency rates comparable to or exceeding Sunridge Charter in many areas. However, Sunridge Charter has a higher percentage of White students (around 70%) and a lower percentage of students from low socioeconomic backgrounds (around 34%) compared to the state, which may contribute to its strong academic performance but also raises questions about equity and access for underrepresented student groups.


Detail:

Public, Charter K-8

 7285 Hayden Ave.
       Sebastopol, CA  95472-4359


(707) 824-2844

District: Twin Hills Union Elementary

SchoolDigger Rank:
1441st of 5,862 California Elementary Schools

Per Pupil Expenditures:  $8,350 Help


Student/teacher ratio:  24.3 Help
Number of students:  243

Racial breakdown:

White:
79.4%
Hispanic:
9.5%
Two or more races:
8.2%
more

Free/discounted lunch recipients:  34.2% Help


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Performance Trends
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Compare Details Sunridge Charter ranks better than 75.4% of elementary schools in California. (See more...)
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Compare Details In 2024 the calculated Average Standard Score was 73.11. (See more...)
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Compare Details Sunridge Charter ranks better than 86.7% of middle schools in California. (See more...)
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Compare Details In 2024 the calculated Average Standard Score was 85.8. (See more...)
Help
Chronic absenteeism in a school refers to a situation where students repeatedly miss school, with the threshold often defined as missing 10% or more of school days for any reason, excused or unexcused.
Student Body
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Compare Details Racial makeup is: White (79.4%), Hispanic (9.5%), two or more races (8.2%). (See more...)
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Compare Details 34.2% of students are receiving a free or discounted lunch. (See more...)
Teachers
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Compare Details The student/teacher ratio at Sunridge Charter is 24.3. (See more...)
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Compare Sunridge Charter employs 10 full-time teachers.
Finance
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Compare Details The average total spent per student at Sunridge Charter is $8,350.
Schooldigger 2024 Rankings:

Sunridge Charter:

SchoolDigger ranks Sunridge Charter 1441st of 5862 California public elementary schools. (See Sunridge Charter in the ranking list.)

Elementary School Test Score Ratings by Student Subgroup:


Low Socio Economic Status students:
Female students:
Male students:
White students:

SchoolDigger ranks Sunridge Charter 369th of 2777 California public middle schools. (See Sunridge Charter in the ranking list.)

Middle School Test Score Ratings by Student Subgroup:


White students:


Twin Hills Union Elementary:

SchoolDigger ranks Twin Hills Union Elementary 290th of 1568 California school districts. (See district ranking list.)

Average Parent Rating:

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Rank History for Sunridge Charter

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Rank History for all elementary school students at Sunridge Charter

Year Avg Standard Score Statewide Rank Total # Ranked Elementary Schools CA State Percentile SchoolDigger Rating
2004 57.41 1820th 4809 62.2%
2005 30.72 3234th 4822 32.9%
2006 46.81 2337th 4818 51.5%
2007 39.29 2944th 5113 42.4%
2008 55.26 2093rd 5113 59.1%
2009 58.59 2002nd 5193 61.4%
2010 55.05 2275th 5314 57.2%
2011 58.34 2120th 5377 60.6%
2012 49.01 2678th 5390 50.3%
2013 68.69 1641st 5530 70.3%
2015 87.65 746th 5611 86.7%
2016 97.09 147th 5614 97.4%
2017 79.13 1164th 5692 79.6%
2018 80.11 1118th 5662 80.3%
2019 64.28 1872nd 5789 67.7%
2022 68.53 1667th 5883 71.7%
2023 79.13 1197th 5874 79.6%
2024 73.11 1441st 5862 75.4%
See the entire list of California Elementary School Rankings!

Rank History for elementary school Low Socio Economic Status students at Sunridge Charter

Year Avg Standard Score Statewide Rank Total # Ranked Elementary Schools CA State Percentile SchoolDigger Rating
2024 58.48 1891st 5511 65.7%
See the entire list of Best California Elementary Schools for Low Socio Economic Status Students!

Rank History for elementary school Female students at Sunridge Charter

Year Avg Standard Score Statewide Rank Total # Ranked Elementary Schools CA State Percentile SchoolDigger Rating
2018 72.37 1397th 5413 74.2%
2019 54.30 2257th 5492 58.9%
2023 81.34 1043rd 5617 81.4%
2024 73.07 1352nd 5605 75.9%
See the entire list of Best California Elementary Schools for Female Students!

Rank History for elementary school Male students at Sunridge Charter

Year Avg Standard Score Statewide Rank Total # Ranked Elementary Schools CA State Percentile SchoolDigger Rating
2018 81.50 994th 5431 81.7%
2023 89.78 627th 5650 88.9%
2024 67.77 1617th 5636 71.3%
See the entire list of Best California Elementary Schools for Male Students!

Rank History for elementary school White students at Sunridge Charter

Year Avg Standard Score Statewide Rank Total # Ranked Elementary Schools CA State Percentile SchoolDigger Rating
2018 61.59 1145th 2737 58.2%
2019 44.45 1715th 2834 39.5%
2022 40.46 1725th 2726 36.7%
2023 62.26 1042nd 2662 60.9%
2024 49.61 1421st 2647 46.3%
See the entire list of Best California Elementary Schools for White Students!

Data source: test scores: California Department of Education, rankings: SchoolDigger.com

Rank History for Sunridge Charter

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Rank History for all middle school students at Sunridge Charter

Year Avg Standard Score Statewide Rank Total # Ranked Middle Schools CA State Percentile SchoolDigger Rating
2004 84.17 217th 1769 87.7%
2005 84.11 215th 1777 87.9%
2007 71.32 464th 1999 76.8%
2008 75.91 358th 2005 82.1%
2009 65.24 619th 2063 70.0%
2010 67.49 617th 2179 71.7%
2012 83.59 222nd 2259 90.2%
2013 79.30 337th 2379 85.8%
2015 68.54 673rd 2477 72.8%
2016 88.26 268th 2497 89.3%
2017 96.71 63rd 2508 97.5%
2018 87.23 304th 2480 87.7%
2019 82.91 415th 2715 84.7%
2022 76.21 562nd 2740 79.5%
2023 81.11 462nd 2802 83.5%
2024 85.80 369th 2777 86.7%
See the entire list of California Elementary School Rankings!

Rank History for middle school Female students at Sunridge Charter

Year Avg Standard Score Statewide Rank Total # Ranked Middle Schools CA State Percentile SchoolDigger Rating
2018 83.93 330th 2262 85.4%
2019 69.70 630th 2380 73.5%
2022 58.63 850th 2509 66.1%
See the entire list of Best California Elementary Schools for Female Students!

Rank History for middle school Male students at Sunridge Charter

Year Avg Standard Score Statewide Rank Total # Ranked Middle Schools CA State Percentile SchoolDigger Rating
2018 83.53 346th 2273 84.8%
2019 76.36 501st 2407 79.2%
2022 89.23 264th 2527 89.6%
2023 88.33 289th 2558 88.7%
See the entire list of Best California Elementary Schools for Male Students!

Rank History for middle school White students at Sunridge Charter

Year Avg Standard Score Statewide Rank Total # Ranked Middle Schools CA State Percentile SchoolDigger Rating
2018 76.96 320th 1496 78.6%
2019 63.16 579th 1602 63.9%
2022 53.84 698th 1555 55.1%
2023 64.31 508th 1552 67.3%
2024 67.13 468th 1535 69.5%
See the entire list of Best California Elementary Schools for White Students!

Data source: test scores: California Department of Education, rankings: SchoolDigger.com

As you review the school rankings data, please be aware that some of the information from certain demographics is missing. The reason for this omission is that the data has been redacted from the source data itself due to low population samples in these specific demographic groups.

Redacting data from low population samples is a necessary step to ensure the reliability and accuracy of the results, as small sample sizes may not be representative of the broader population. Additionally, this measure helps protect the privacy of individuals belonging to these demographic groups.

Sunridge Charter Test Scores
Tests: 
  
Grades: 
  
Years: 
  
Group by: 
District Scores:
State Scores:    
  
Subgroup: 









Data source: California Department of Education

Review counts

All ratings (Avg rating: 5)
100%

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0%

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Reviews:
by a parent
Saturday, July 23, 2016

Open Quote We have been so happy with this Waldorf-inspired charter school. The teachers and staff are amazingly dedicated, skilled, creative, and caring. The Waldorf foundation is strong but not dogmatic, truly providing students with a well-integrated and developmentally savvy curriculum that beautifully supports the development of each child's "head, heart, and hands". I have seen many graduating classes at this point, and I am continually impressed by the students' confidence and comfort in themselves, their kindness and open heartedness with each other, their creativity, multi-faceted intelligence, academic skills, artistic abilities, and innovative thinking. I've been deeply touched by the beauty and depth of performances, festivals, assignments, projects, instruction, relationships...I have a masters degree in education and have never been as impressed with a school. I'm grateful to SunRidge School for giving my children an outstanding education and giving our whole family a dynamic, caring, thoughtful, fun, and celebratory community. Close Quote



Enrollment information for Sunridge Charter

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Year White African American Asian Hispanic American Indian Pacific Islander Two or More Races Not Specified Total
2002 119 6 7 13 1 n/a n/a 28 174
2003 119 6 7 13 1 n/a n/a 28 174
2004 176 7 9 13 0 n/a n/a 1 206
2005 148 5 9 9 1 n/a n/a 8 180
2006 142 2 6 8 0 n/a n/a 6 164
2007 164 1 6 7 0 n/a n/a 7 185
2008 177 1 6 9 n/a n/a n/a 0 193
2009 186 0 5 10 0 0 5 0 206
2010 168 0 4 12 1 0 7 0 192
2011 163 0 3 14 0 0 12 0 192
2012 158 0 2 16 0 0 17 0 193
2013 194 0 2 29 0 1 26 0 252
2014 196 0 1 23 0 1 22 0 243
2015 203 0 4 29 0 1 33 0 270
2016 211 1 4 28 0 2 32 0 278
2017 209 2 4 33 0 0 31 0 279
2018 222 1 3 34 0 0 24 0 284
2019 208 1 4 34 0 0 29 0 276
2020 216 1 2 30 0 0 31 1 281
2021 211 1 4 27 0 0 26 1 270
2022 176 2 2 14 0 0 19 1 214
2023 193 2 3 23 0 0 20 2 243

Data source: National Center for Education Statistics, U.S. Dept of Education.

About Enrollment/Ethnicity

For more information about how the Department of Education defines ethnicity, see Defining Race and Ethnicity Data, National Center for Education Statistics

Students eligible for free or discounted lunch at Sunridge Charter

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Year # Students Full-time Teachers Student/Teacher ratio % Free/Discounted Lunch
2002 174 9.0 19.3 0
2003 174 9.0 19.3 0
2004 206 10.0 20.6 0
2005 180 9.8 18.4 0
2006 164 8.6 19.1 0
2007 185 8.8 21.0 0
2008 193 10.2 18.9 0
2009 206 11.6 17.0 0
2010 192 11.6 16.4 n/a
2011 192 n/a n/a 0
2012 193 11.1 17.3 98.4
2013 252 13.2 19.0 6.7
2014 243 11.0 22.0 14.8
2015 270 11.0 24.5 17.4
2016 278 11.0 25.2 17.3
2017 279 11.0 25.3 14.3
2018 284 11.0 25.8 23.2
2019 276 11.0 25.0 28.6
2020 281 n/a n/a 29.5
2021 270 11.0 24.5 35.2
2022 214 10.0 21.4 36.4
2023 243 10.0 24.3 34.2

Data source: National Center for Education Statistics, U.S. Dept of Education.

About Students eligible for discounted/free lunch:

The National School Lunch Program (NSLP) provides low-cost or free meals to students in U.S. public and nonprofit private schools based on household income. Those with incomes below 130% of the poverty line receive free lunch, while those between 130% and 185% qualify for reduced-price lunch. The percentage of students receiving free or reduced-price lunch serves as a marker for poverty, as it reflects the socioeconomic status of families in a given school or district. A higher FRPL rate typically indicates a higher concentration of low-income families, suggesting that the school or district may face additional challenges in providing adequate resources and support for student success.

Student/Teacher Ratio Sunridge Charter

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Year # Students Full-time Teachers Student/Teacher ratio % Free/Discounted Lunch
2002 174 9.0 19.3 0
2003 174 9.0 19.3 0
2004 206 10.0 20.6 0
2005 180 9.8 18.4 0
2006 164 8.6 19.1 0
2007 185 8.8 21.0 0
2008 193 10.2 18.9 0
2009 206 11.6 17.0 0
2010 192 11.6 16.4 n/a
2011 192 n/a n/a 0
2012 193 11.1 17.3 98.4
2013 252 13.2 19.0 6.7
2014 243 11.0 22.0 14.8
2015 270 11.0 24.5 17.4
2016 278 11.0 25.2 17.3
2017 279 11.0 25.3 14.3
2018 284 11.0 25.8 23.2
2019 276 11.0 25.0 28.6
2020 281 n/a n/a 29.5
2021 270 11.0 24.5 35.2
2022 214 10.0 21.4 36.4
2023 243 10.0 24.3 34.2

Data source: National Center for Education Statistics, U.S. Dept of Education.

About Student-Teacher Ratio

Student/teacher ratio is calculated by dividing the total number of students by the total number of full-time equivalent teachers. Please note that a smaller student/teacher ratio does not necessarily translate to smaller class size. In some instances, schools hire teachers part time, and some teachers are hired for specialized instruction with very small class sizes. These and other factors contribute to the student/teacher ratio. Note: For private schools, Student/teacher ratio may not include Pre-Kindergarten.

Kindergarten Immunization Rates

Sunridge Charter

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Compare
YearCompletely ImmunizedReligious ExemptionMedical ExemptionConditionalPolioHepatitis BVaricellaDTPMMR
201216.0%73.0%0.0%11.0%16.0%22.0%27.0%16.0%24.0%
201325.0%75.0%0.0%0.0%25.0%25.0%25.0%25.0%25.0%
201439.0%61.0%0.0%0.0%39.0%39.0%39.0%39.0%39.0%
201539.0%59.0%0.0%2.0%39.0%39.0%39.0%39.0%39.0%
201620.0%51.0%0.0%29.0%27.0%29.0%36.0%31.0%38.0%
201753.0%5.0%39.0%3.0%53.0%53.0%53.0%53.0%53.0%
201844.0%0.0%51.0%5.0%47.0%47.0%49.0%44.0%47.0%
201951.0%47.0%2.0%56.0%58.0%56.0%56.0%60.0%
202045.5%47.3%5.5%50.9%49.1%52.7%58.2%54.6%
202169.0%24.1%5.2%72.4%74.1%74.1%81.0%75.9%
202273.7%2.6%7.9%81.6%76.3%81.6%81.6%84.2%

Data source: California Department of Public Health
Finances

Per Pupil Expenditures for Sunridge Charter

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YearTotal Expenditures Per Pupil
2018 $8,350

Data source: California Department of Education
Pre and Post Pandemic Data

Impact of COVID-19 on Sunridge Charter

The coronavirus has had a profound impact on education in America. Learning shifted online overnight, attendance numbers dwindled, and enrollment decreased. SchoolDigger.com is making it easier for you to better assess how COVID-19 has impacted your school. Through the collection of pre-pandemic (2019) and current data, SchoolDigger.com is sharing test scores, enrollment numbers and school demographics from schools across the country – and we make it easy to see how impacted schools compare locally and statewide.

Rankings

Rank
Pre-pandemic (2018-2019)
Rank
Post pandemic (2022-2023)
Change (%)
Ranks 1872nd of 5789 Elementary schoolsRanks 1197th of 5874 Elementary schools
 12%
Ranks 415th of 2715 Middle schoolsRanks 462nd of 2802 Middle schools
 1.2%

Test Scores

% proficient
Pre-pandemic (2018-2019)
% proficient
Post pandemic (2022-2023)
Change (%)
3rd Grade English Language Arts/Literacy (Sunridge Charter)34.666.7
 32.1%
   3rd Grade English Language Arts/Literacy (Twin Hills Union Elementary)50.556.6
 6.1%
   3rd Grade English Language Arts/Literacy (California)48.543
 5.6%
3rd Grade Mathematics (Sunridge Charter)30.862.5
 31.7%
   3rd Grade Mathematics (Twin Hills Union Elementary)3653.1
 17.1%
   3rd Grade Mathematics (California)50.245.1
 5.1%
4th Grade English Language Arts/Literacy (Sunridge Charter)70.674.1
 3.5%
   4th Grade English Language Arts/Literacy (Twin Hills Union Elementary)63.351.3
 12.1%
   4th Grade English Language Arts/Literacy (California)49.543.7
 5.7%
4th Grade Mathematics (Sunridge Charter)42.151.9
 9.7%
   4th Grade Mathematics (Twin Hills Union Elementary)46.744.9
 1.9%
   4th Grade Mathematics (California)44.940.8
 4.1%
5th Grade English Language Arts/Literacy (Sunridge Charter)66.776
 9.3%
   5th Grade English Language Arts/Literacy (Twin Hills Union Elementary)57.371.9
 14.6%
   5th Grade English Language Arts/Literacy (California)51.746.7
 5%
5th Grade Mathematics (Sunridge Charter)5040
 10%
   5th Grade Mathematics (Twin Hills Union Elementary)4039
 1%
   5th Grade Mathematics (California)3833.4
 4.6%
5th Grade Science (Sunridge Charter)63.368
 4.7%
   5th Grade Science (Twin Hills Union Elementary)39.159.8
 20.7%
   5th Grade Science (California)31.731.9
 0.1%
6th Grade English Language Arts/Literacy (Sunridge Charter)5056.3
 6.3%
   6th Grade English Language Arts/Literacy (Twin Hills Union Elementary)64.965.1
 0.2%
   6th Grade English Language Arts/Literacy (California)48.544.2
 4.3%
6th Grade Mathematics (Sunridge Charter)41.723.5
 18.1%
   6th Grade Mathematics (Twin Hills Union Elementary)50.539.3
 11.2%
   6th Grade Mathematics (California)38.533.2
 5.3%
7th Grade English Language Arts/Literacy (Sunridge Charter)96.684.6
 11.9%
   7th Grade English Language Arts/Literacy (Twin Hills Union Elementary)70.572
 1.5%
   7th Grade English Language Arts/Literacy (California)51.447.4
 3.9%
7th Grade Mathematics (Sunridge Charter)55.264.3
 9.1%
   7th Grade Mathematics (Twin Hills Union Elementary)46.450.9
 4.5%
   7th Grade Mathematics (California)37.933.2
 4.7%
8th Grade English Language Arts/Literacy (Sunridge Charter)8881.8
 6.2%
   8th Grade English Language Arts/Literacy (Twin Hills Union Elementary)78.478.2
 0.2%
   8th Grade English Language Arts/Literacy (California)49.445.7
 3.8%
8th Grade Mathematics (Sunridge Charter)4850
 2%
   8th Grade Mathematics (Twin Hills Union Elementary)57.566.4
 8.9%
   8th Grade Mathematics (California)36.629.9
 6.7%
8th Grade Science (Sunridge Charter)5640.9
 15.1%
   8th Grade Science (Twin Hills Union Elementary)5650
 6%
   8th Grade Science (California)30.828.8
 2.1%

Student Body

Number of students
Pre-pandemic (2018-2019)
Number of students
Post pandemic (2022-2023)
Change (%)
Total Students276243
 12%
African American12
 100%
American Indian00
Asian43
 25%
Hispanic3423
 32.4%
Pacific Islander00
White208193
 7.2%
Two or More Races2920
 31%
% Free/Discounted Lunch Recipients28.6%34.2%
 5.5%


Schools Near Sunridge Charter









Frequently Asked Questions about Sunridge Charter

In the 2022-23 school year, 243 students attended Sunridge Charter.

Students at Sunridge Charter are 79% White, 9% Hispanic, 8% Two or more races, 1% Asian.

Sunridge Charter ranks 1441st of 5862 California elementary schools. SchoolDigger rates this school 4 stars out of 5.


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SchoolDigger data sources: National Center for Education Statistics, U.S. Department of Education, the U.S. Census Bureau and the California Department of Education.

IMPORTANT DISCLAIMERS: Not all boundaries are included. We make every effort to ensure that boundaries are up-to-date. But it's important to note that these are approximations and are for general informational purposes only. To verify legal descriptions of boundaries or school locations, contact your local tax assessor's office and/or school district.





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