📊 Data: NCES CCD 2024–2025·🔄 Updated: May 2026·Editorial standards
📍 Belvedere Tiburon, CA · Marin County

Tamalpais Union High School District

Grades 9th – 12th · 4,837 students · 5 schools · 14 zip codes

9
out of 10 Rating Excellent
State reading & math proficiency · 88th percentile among California districts. Ranked within California only — not comparable across states.
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School District · California
Tamalpais Union High School District
📍 Belvedere Tiburon, CA · Marin County · NCES LEAID 0638790
9/10
Rating
4,837
Students
5
Schools
9th – 12th
Grade Span
14
Zip Codes
District Contact & InformationSource: NCES CCD 2024–25
📚
Grades Served
9th – 12th
📞
District Phone
(415)945-3600
📍
District Mailing Address
PO Box 605, Larkspur, CA 94977
🎓
Enrollment
4,837 students
🏫
Schools
5
🏙
County
Marin County, CA
🌐
NCES District ID (LEAID)
0638790
🏛
District Type
Public School District
Zip Codes Served by Tamalpais Union High School District14 zip codes
Zip CodeCityCountyState
94904GreenbraeMarin CountyCA
94920Belvedere TiburonMarin CountyCA
94924BolinasMarin CountyCA
94925Corte MaderaMarin CountyCA
94930FairfaxMarin CountyCA
94933Forest KnollsMarin CountyCA
94939LarkspurMarin CountyCA
94941Mill ValleyMarin CountyCA
94946NicasioMarin CountyCA
94957RossMarin CountyCA
94960San AnselmoMarin CountyCA
94965SausalitoMarin CountyCA
94970Stinson BeachMarin CountyCA
94973WoodacreMarin CountyCA
Frequently Asked Questions
What zip codes are in Tamalpais Union High School District?▼
Tamalpais Union High School District serves 14 zip codes: 94904, 94920, 94924, 94925, 94930, 94933, 94939, 94941, 94946, 94957, 94960, 94965, 94970, 94973. Zip codes and district boundaries do not line up exactly, so confirm your exact address with the district office before you rely on an assignment.
How is Tamalpais Union High School District rated?▼
Tamalpais Union High School District has an overall rating of 9 out of 10 (Excellent), based on the share of students proficient in reading and math on state assessments (NCES EDFacts). That places it in the 88th percentile among California school districts. Ratings are percentile-ranked within California only and are not comparable across states.
How many students attend Tamalpais Union High School District?▼
The NCES Common Core of Data directory reports enrollment of 4,837 students across 5 schools for Tamalpais Union High School District.
What grades does Tamalpais Union High School District serve?▼
Tamalpais Union High School District is listed in the NCES directory as serving grades 9th – 12th.
How do I contact Tamalpais Union High School District?▼
You can reach Tamalpais Union High School District by phone at (415)945-3600 or by mail at PO Box 605, Larkspur, CA 94977. Contact details come from the NCES district directory and are the best way to confirm which school your address is assigned to.

About Tamalpais Union High School District

Tamalpais Union High School District is a public school district serving 14 zip codes in California, primarily in Marin County. It carries an overall rating of 9/10 (Excellent), the 88th percentile among California districts. That rating reflects the share of students proficient in reading and math on state assessments (NCES EDFacts, 2021–22 for most districts with a 2017–18 fallback for the rest) and is ranked only against other California districts — scores are not comparable between states. Directory details on this page come from the NCES Common Core of Data, 2024–25.

District boundaries are address-specific and do not follow zip code lines exactly — a single zip code can be split between two or more districts. Use the zip codes listed above as a starting point, then confirm your assignment with the district office at (415)945-3600 before making a housing decision.

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