California School Directory

Sunridge Charter


County Sonoma
District Twin Hills Union Elementary
School Sunridge Charter
CDS Code
49 70961 4930350
School Address
7285 Hayden Ave.
Sebastopol, CA 95472-4359
Google Map External link opens in new window or tab. Link opens new browser tab
Mailing Address
7285 Hayden Ave.
Sebastopol, CA 95472-4359
Phone Number (707) 824-2844
Fax Number (707) 824-0861
Email khaedo@twinhillsusd.org Link opens new Email
Web Address www.sunridgeschool.org External link opens in new window or tab. Link opens new browser tab
Administrator
Karina Haedo
Principal
(707) 824-2844
khaedo@twinhillsusd.org
Chief Business Official
Patty Nosecchi
Business Manager
(707) 823-0871
pnosecchi@twinhillsusd.org
Status Active
Open Date August 28, 2002
School Type Elementary Schools (Public)
Educational Program Type Traditional
Low GradeK
High Grade8
Public School Yes
CharterYes
Charter Number0481
Charter Funding Type Locally funded
Magnet No
Year Round No
Virtual Instruction Not Virtual
Multilingual Instruction No
NCES/Federal School ID 10687
Statistical Info Link to School Profile
CDS Coordinator
(Contact for Data Updates)		 Patty Nosecchi
(707) 823-0871
Request Data Update(s)
Last Updated May 23, 2025

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The California School Directory and related public school and district data files (collectively referred to as the 'Directory'), contain information about California schools, districts, and school/district administrators that is voluntarily self-reported by local education agencies (LEAs)* to the California Department of Education (CDE) as a public convenience. Because the information is voluntarily self-reported and unverified, the Directory does not contain information for every LEA or school and the information that is in the Directory may be outdated or have errors, omissions, typos, and other inaccuracies. Therefore, information, or the absence of information, in the Directory should not be relied upon for any purpose and should be used only to contact the LEA or school. The CDE makes no representation or warranty, express or implied, with respect to Directory information.
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* Charter school data are self-reported by their authorizing agency and/or the charter school.

Submitting Updates/Corrections

All updates/corrections must be routed through the LEA CDS coordinator. You can submit updates directly to the LEA CDS Coordinator for this entity by clicking here: Request Data Update(s)

Below are links to resources for LEA CDS coordinators for submitting corrections.

  • OPUS-CDS Web Application
    Application used by authorized LEA CDS coordinators to notify the CDE of updates to the Public School Directory. A user name and password is required to access this application.
  • Instructions for Submitting CDS Changes
    Instructions for submitting changes to County-District-School (CDS) information.

Additional Information about Charter Schools

Questions about charter school data, including the 'Open Date' field and charter term dates, may be directed to the charter school, the chartering authority, or the CDE Charter Schools Division via email at charters@cde.ca.gov. The chartering authority is provided in the 'District' field. Additional charter school data are available at Charter Schools Data Files and Directory Information.

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