Tamalpais Union High School District
school in Larkspur, California

The Tamalpais Union High School District or TUHSD provides high school education to students residing in ten elementary districts in central and southern Marin County, California and parts of West Marin. The headquarters are on the property of Redwood High School in Larkspur, California.
Communities served
Feeder school districts include: Bolinas-Stinson Union, Kentfield, Lagunitas, Larkspur-Corte Madera, Mill Valley, Nicasio, Reed Union, Ross, Ross Valley and Sausalito Marin City school districts. As of 2012, District enrollment was 3,921 students. The union high school district lies within the Marin Community College District.
Communities within the district include:
Municipalities: Belvedere, Corte Madera, Fairfax, Mill Valley, Ross, San Anselmo, Sausalito, Tiburon, Larkspur (most of)
Census-designated places: Bolinas, Kentfield, Lagunitas-Forest Knolls, Marin City, Muir Beach, Nicasio, San Geronimo, Sleepy Hollow, Stinson Beach, Strawberry, Tamalpais-Homestead Valley, and Woodacre
Schools
The three comprehensive high schools and the communities in their attendance areas (with ZIP Codes) are:
Tamalpais High School, Mill Valley; opened 1908; serves Bolinas (94924), Mill Valley (94941), Sausalito & Marin City (94965), Stinson Beach (94970)
Archie Williams High School, San Anselmo; opened 1951 as Sir Francis Drake High School; serves Fairfax (94930), Forest Knolls (94933), Lagunitas (94938). Nicasio (94946), San Anselmo (94960), San Geronimo (94963), Woodacre (94973)
Redwood High School, Larkspur; opened 1958; serves Belvedere (94920), Corte Madera (94925), Greenbrae & Kentfield (94904), Larkspur (94939), Ross (94957), Tiburon (94920)
Two alternative high schools serve the entire district:
San Andreas High School (continuation high school), Larkspur
Tamiscal High School (independent study), Larkspur
Tamalpais, Redwood, and Archie Williams are California Distinguished Schools. San Andreas has been recognized by the State of California as a Model Continuation School.
Begin with the source’s own compact description: “Tamalpais Union High School District” is school in Larkspur, California. The dossier treats that line as a proposition to test through Tamalpais, Union and High, not as a finished interpretation.
Why this record matters
The phrase “school in Larkspur, California” supplies a clear boundary for inquiry. It also exposes the unanswered questions: who defined that boundary, when it became stable and which sources sit outside it.
Chronology, provenance and viewpoint should be read together before a broad social or political interpretation is accepted. The source revision retrieved here is dated Sep 4, 2026. The linked authority identifier is Q7680602. Authority coordinates are 37.938, -122.523. 2 of 2 selected statements include explicit references; 0 carry qualifiers and 0 use preferred rank. The first chronological checks are 2012, 1908, 1951 and 1958.
Later summaries often reconcile disputed chronology or motive more neatly than the contemporary record permits. The lead is largely declarative, so disagreement and counter-evidence require a deliberate search beyond the opening account. Authority statements aid reconciliation but still require their own references, qualifiers and ranks to be checked.
How to read it
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Three-step research path
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Questions for further research
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This entry incorporates text from “Tamalpais Union High School District” on English Wikipedia. Contributors are listed in the page history. Text is available under the Creative Commons Attribution-ShareAlike 4.0 License. Selected authority identifiers and statements are retrieved from Wikidata under CC0; their references and qualifiers remain part of the verification path.