Alto International School

  • We are merging with Silicon Valley International School (formerly International School of the Peninsula). Starting in 2021-22, the joint school will offer German, French, and Chinese language programs for students in preschool through high school. The frameworks of our education program will continue to be the International Baccalaureate leading up to the IB Diploma in grades 11 and 12. We invite you to sign up for admissions events and information sessions for the 2020-2021 school year on the Silicon Valley International School (INTL) website. You can learn more about the merger of Alto International School and INTL on our blog. 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.
  • Visit AltoSchool.org to learn more and to schedule a virtual visit.

Top Placements

Alto International School places among the top 20% of private schools in California for:

School Overview

School Membership(s)School Assoc.Western Association of Schools and Colleges (WASC)
International Baccalaureate (IB) World School
California Association of Independent Schools (CAIS)
Religious AffiliationNonsectarian
Grades OfferedGrades Nursery/Preschool-12
Year Founded1988

Student Body

Total Students175 students
Student Body TypeCo-ed
% Students of Color
12%
State avg.: 45%
Students by Grade Alto International School Student By Grade

Academics and Faculty

Total Classroom Teachers50 teachers
Student : Teacher Ratio4:1
National avg.: 13:1
% Faculty w/Advanced Degree
70%
Average Class Size18 students
List of Courses OfferedLink to List of Courses
Matriculation DataMatric. DataLink to Matriculation Data
Classroom Dress CodeCasual

Finances and Admission

Admission DeadlineJan. 10 / Jan. 18 / rolling
Tuition NotesPlease visit AltoSchool.org to learn more about tuition and financial aid.
Admissions DirectorJennifer Tyler

Sports

Total Sports Offered5 sports
SportsBasketball, Cross Country, Soccer, Tennis, VolleyballBasketballCross Country,
SoccerTennis,
Volleyball

Extracurriculars

Total ExtracurricularsTotal Extra-curric.18 extracurriculars
ExtracurricularsExtra-curric.Club or Organization:
Art Club, Choir, Drama Club, French Club, German, Hip Hop Dance, Model UN, Music, Public Speaking, Scratch Programming, Spanish, Student Council, Swiss Club, Yoga Club

Arts and Music Programs:
Band Program

Recreational Athletic Programs:
Basketball Club, Karate Class, Soccer Club

School Notes

We are merging with Silicon Valley International School (formerly International School of the Peninsula). Starting in 2021-22, the joint school will offer German, French, and Chinese language programs for students in preschool through high school. The frameworks of our education program will continue to be the International Baccalaureate leading up to the IB Diploma in grades 11 and 12. 
  • Alto International School believes in the importance of a globally-minded, progressive education. 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.
  • 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.

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  • School Location Miles Grades Students
  • Atherton
    Grades: 6-12 | 807 students
    2 miles
    50 Valparaiso Ave
    Atherton, CA 94027
    (650) 330-2000
    2 6-12
    807
  • Atherton
    Grades: NS-12
    2.3 miles
    150 Valparaiso Avenue
    Atherton, CA 94027
    (650) 322-1866
    2.3 NS-12
    n/a
  • Burlingame
    Grades: 6-12 | 576 students
    11.9 miles
    400 Uplands Drive
    Burlingame, CA 94010
    (650) 342-4175
    11.9 6-12
    576
  • Burlingame
     The Nueva School
    Special Program Emphasis
    Grades: PK-12 | 889 students
    14.2 miles
    6565 Skyline Blvd
    Burlingame, CA 94010
    (650) 350-4528
    14.2 PK-12
    889
  • Dublin
    The Quarry Lane School
    The Quarry Lane School Photo
    Special Program Emphasis
    Grades: PK-12 | 1031 students
    22.9 miles
    6363 Tassajara Rd.
    Dublin, CA 94568
    (925) 829-8000
    22.9 PK-12
    1031

School Reviews

5  
The school is really fostering critical thinkers and an international perspective. The High School is new, but the IB program prepares the students well for college. Tiny school - so kids get all attention. The downside of a small school: for teenagers will need activities to connect to others.
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Did You Know?
The average private school tuition in California is $11,594 for elementary schools and $19,996 for high schools (read more about average private school tuition across the country).
The average acceptance rate in California is 84% (read more about average acceptance rates across the country).