German International School of Silicon Valley
🇺🇸 San Francisco Bay Area · Founded 1999 · National · Ages 2–18
Reviewed by Priscilla Han · 2026-07-23
An independent, non-profit German-curriculum school in Silicon Valley (est. 1999) offering a genuine German–English dual-immersion pathway from preschool to Grade 12, culminating in dual credentials: the German International Abitur (DIA) and the California High School Diploma. WASC-accredited and a recognized German Accredited School Abroad (DAS). Tier capped at A: the US has no graded public inspectorate.
Curricula
National
Age range
2–18
Languages of instruction
German, English
Annual fees
SGD USD 26,550–35,800
Enrollment
540
Boarding
No (day school)
Accreditations
WASC, CAIS, German Accredited School Abroad (DAS/ZfA), KMK-recognized, WDA
Tier Profile
We only tier dimensions backed by a public inspection verdict or verifiable accreditation. Other dimensions show a data flag — never a guessed score.
BrightKey's Assessment
The German International School of Silicon Valley (GISSV) was founded in 1999 by six German and American families who wanted to blend German educational standards with the U.S. school system in a dual-language setting. It opened in February 2000 with its first 34 students in Mountain View and was renamed the German International School of Silicon Valley in 2003. It is an independent, non-profit school serving the German- and European-speaking tech-expat community of the San Francisco Bay Area.
GISSV operates two campuses plus a Saturday School program. The Mountain View campus (310 Easy Street) runs preschool through Grade 12; the San Francisco campus (117 Diamond Street) runs preschool through Grade 8, expanding to Grade 9 in 2027/28. The school reports 540 students from 38 nationalities, with a maximum class size of 22.
Instruction follows the German curriculum of the state of Thuringia, delivered through a German–English dual-immersion model. The school offers two dual diplomas: the German International Abitur (DIA) and the California High School Diploma. Knowledge of German is required for all children enrolling after Grade 1, so the immersion entry point is the early years.
GISSV is accredited by WASC and is a German Accredited School Abroad (DAS) supervised through the German ZfA with KMK recognition; it describes itself as an 'Exzellente Deutsche Auslandsschule.' It is a member of CAIS and the World Association of German Schools (WDA) and is affiliated with the German Consulate in San Francisco.
Honest positioning: a well-accredited, genuinely bilingual German-curriculum school with a clear dual-diploma pathway and a strong niche for German/European families in Silicon Valley. As is typical of US independent schools, it does not publish Abitur score distributions or a verified university-destination list, and it is not an English-as-an-Additional-Language school — its language support is German immersion, best entered in the early years.
Why These Ratings?
Inspection & AccreditationA — Excellent
WASC-accredited and a recognized German Accredited School Abroad (DAS) supervised via the German ZfA with KMK recognition — strong, dual-system accreditation depth. The United States has regional and independent-school accreditation (WASC, CAIS) but no graded public inspectorate like Singapore's BSO or Dubai's KHDA, so the tier is capped at A.
Strengths & Trade-offs
Strengths
- Genuine German–English dual-immersion pathway from preschool through Grade 12 (Mountain View)
- Two recognized credentials at exit: the German International Abitur (DIA) and the California High School Diploma
- Dual accreditation depth: WASC plus German DAS status via the ZfA with KMK recognition
- Small class sizes (maximum 22) and an internationally mixed community (540 students, 38 nationalities)
- Independent, non-profit school with 25+ years of operating history (since 1999) and affiliation with the German Consulate San Francisco
- Two Bay Area campuses (Mountain View and San Francisco) plus a Saturday School program, with San Francisco expanding to Grade 9 in 2027/28
Trade-offs
- Does NOT publish Abitur average results or a verified university-destination list — academic outcomes cannot be independently verified
- German-language knowledge is required for enrollment after Grade 1, so late entry for non-German-speaking children is constrained
- Not an English-as-an-Additional-Language (EAL) school — support is German immersion, not structured English-language support
- Full through-Grade-12 provision is only at the Mountain View campus; San Francisco currently runs to Grade 8 (Grade 9 from 2027/28)
- Day school only, no boarding
- Niche curriculum: the German Thuringia pathway suits families oriented to German/European systems more than those seeking IB or a mainstream American college-prep track
Is It Right For You?
Best For
- ✓German- and European-expat families in Silicon Valley wanting continuity with the German school system and the Abitur
- ✓Bilingual or German-speaking families seeking genuine German–English dual immersion from the early years
- ✓Families who value the dual German International Abitur (DIA) plus California High School Diploma exit pathway
- ✓Families entering in preschool/early years who can commit to German-language acquisition
Not Ideal For
- ✕Families needing published Abitur results or a verified university-placement record before enrolling
- ✕Non-German-speaking children seeking entry after Grade 1 (German knowledge required)
- ✕Families needing structured English-as-an-Additional-Language support rather than German immersion
- ✕Families needing boarding, or through-Grade-12 provision at the San Francisco campus before the Grade 9+ expansion
- ✕Families specifically wanting an IB or Cambridge programme (neither is offered)
Curriculum
GISSV follows the German curriculum of the state of Thuringia, delivered through German–English dual immersion. It leads to two dual credentials: the German International Abitur (DIA) and the California High School Diploma. It is not an IB or Cambridge school. German and English are the languages of instruction; knowledge of German is required for all children enrolling after Grade 1, so the school is best entered by non-German speakers in the early years. It does not run a structured English-as-an-Additional-Language programme.
Fees
Mountain View campus, 2026-27 school year (published). Annual tuition by program: Preschool 5-Day AM (ages 2–3) $26,550; Preschool 5-Day AM (ages 3–4.11) $27,450; Preschool/Kindergarten 5-Day Full-Day $35,800; Grades 1–4 (morning program) $27,700; Grades 5–8 $32,200; Grades 9–12 $35,750. Annual fees (not prorated): enrollment fee $825 per child, society membership $150 per family, facilities fee $1,250 per family, one-time $75 application fee per new child. San Francisco campus fees are published separately. Financial aid is offered. Verify current figures directly with the school.
Admissions
The enrollment period begins during January and February each year. Some classes may have waitlists. Knowledge of the German language is required for all children who enroll after Grade 1. Families submit the signed enrollment agreement by June 30 and finalize remaining documents by July 31; a one-time application fee of $75 per new child applies. The process includes an interview, and immunization requirements apply. Contact admissions@gissv.org.
Campus Life
Two Bay Area campuses plus a Saturday School program. The Mountain View campus (310 Easy Street, Mountain View, CA 94043) runs preschool through Grade 12; the San Francisco campus (117 Diamond Street, San Francisco, CA 94114) runs preschool through Grade 8, expanding to Grade 9 in 2027/28. The school reports 540 students from 38 nationalities with a maximum class size of 22. Extended afternoon care is available. Day school only, no boarding.
University Placement
School-reported · not independently verified
School-reported, unverified: GISSV states its graduates earn the German International Abitur (DIA) and the California High School Diploma, credentials that qualify students for universities in Germany, the United States and internationally. GISSV does not publish an Abitur average score or a specific university-destination list on its own pages; treat placement claims as school-reported and unverified.
Sources
Every verifiable fact carries a public source — verify it yourself.
- GISSV official — homepage (dual-immersion German/English, DIA + California High School Diploma, 540 students, 38 nationalities, max class size 22, two campuses) · 2026-07
- GISSV official — About GISSV (curriculum based on the German state of Thuringia, PreK–Grade 12 Mountain View / PreK–Grade 8 San Francisco expanding to Grade 9 in 2027/28, DAS + WASC accredited) · 2026-07
- GISSV official — Our Story (founded 1999 by six German and American families; opened February 2000 with 34 students; renamed 2003) · 2026-07
- GISSV official — Admissions (German-language knowledge required after Grade 1; enrollment Jan–Feb) · 2026-07
- GISSV official — Mountain View Campus Tuition & Fees 2026-27 · 2026-07
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