Alto International School

مختلط (3-18)
Day School
+1 650-324-8617
475 Pope Street, Menlo Park, CA 94025
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Year of Foundation1988
Enrollment Phase / GradesPreschool to grade 12
BoardingDay School
Number of students260
Teacher Student Ratio1:6
AccreditationsInternational Baccalaureate (IB World School) / Western Association of Schools and Colleges (WASC)
HeadmasterMichael Chapman
Yearly Tuition Fee (Min)$ 9,259
Yearly Tuition Fee (Max)$ 29,750


Alto International School believes in the importance of a globally-minded, progressive education.Alto is an International Baccalaureate World School in the heart of Silicon Valley and is the only school in the Bay Area offering the International Baccalaureate from preschool through high school. Every day we create a stimulating learning environment for our students who come from all over the world. Students of all ages are exposed to an international mindset and an inquiry-based learning approach.Our internationally focused middle and high school offers students a unique preparatory, multilingual education providing them with the necessary skills for university and life beyond. Students are taught in a multilingual environment, graduating with literacy skills in at least two languages. For younger students we offer a German-immersion focused preschool and elementary program, educating engaged, independent, and balanced learners.At Alto, we believe that the world needs young people eager to take on today’s and tomorrow’s challenges. Alto International School equips students with the skills and confidence to contribute to making our world a better place.

High School Factsheet
Middle School Factsheet
Elementary School Fact Sheet
Preschool Factsheet



Inquiry-based IB curriculum (German-immersion program from preschool to grade 5)

Languages of instruction

English and German

Foreign languages

Spanish, French and German


IB Diploma

University counseling


Learning support



Alto’s extracurricular program offers students from preschool to high school the possibility to explore subjects and activities beyond the academic curriculum. Middle and high school students are encouraged to participate in the athletics as well as band program or join one of the many clubs.
School trips
Community service
Performing arts
Summer programs

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