California School Directory

Twin Hills Charter Middle


County Sonoma
District Twin Hills Union Elementary
School Twin Hills Charter Middle
CDS Code
49 70961 6052302
School Address
1685 Watertrough Rd.
Sebastopol, CA 95472-4647
Google Map External link opens in new window or tab. Link opens new browser tab
Mailing Address
1685 Watertrough Rd.
Sebastopol, CA 95472-4647
Phone Number (707) 823-7446
Fax Number (707) 823-6470
Email swhitestine@twinhillsusd.org Link opens new Email
Web Address www.twinhillsmiddleschool.org External link opens in new window or tab. Link opens new browser tab
Administrator
Shawna Whitestine
Principal
(707) 823-7446
swhitestine@twinhillsusd.org
Chief Business Official
Patty Nosecchi
Business Manager
(707) 823-0871
pnosecchi@twinhillsusd.org
Status Active
Open Date July 1, 1980
School Type Intermediate/Middle Schools (Public)
Educational Program Type Traditional
Low Grade6
High Grade8
Public School Yes
CharterYes
Charter Number0904
Charter Funding Type Locally funded
Magnet No
Year Round No
Virtual Instruction Not Virtual
Multilingual Instruction No
NCES/Federal School ID 06653
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

Directory Disclaimer

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the Directory does not contain information for every LEA or school and the information that is in the Directory may be outdated or have errors, omissions, typos, and other inaccuracies.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.
* Private school data are self-reported by private school owners/heads.
* 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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