Shinagawa International School

1. SIS Main Campus: 3-6-21 Minamishinagawa, Shinagawa-ku, Tokyo 140-0004, Japan
2. SIS Seaside Campus: 4-8-8 Higashishinagawa, Shinagawa-ku, Tokyo 140-0002, Japan
Phone: 03-6433-1531
Email: ,

Shinagawa International School (SIS) is a vibrant and diverse IB World School conveniently located near Shinagawa Seaside Station. Its school community proudly encompasses over 40 nationalities, creating a rich tapestry of experiences and cultures. Committed to providing a holistic education, SIS caters to students from the Early Learning Center (ages 3–6), Primary School (grades 1–5), and Secondary School (grades 6–12, with grades 11 and 12 to be introduced in the 2024–2025 and 2025–2026 academic years respectively).

Originally founded in 2007 in Shibuya, SIS relocated to its current premises in Shinagawa in June 2018, allowing it to expand and enhance its educational offerings. As part of its ongoing growth, SIS is proud to be an authorized PYP, MYP school, and DP Candidate School implementing the MYP/DP curriculum framework. This seamless continuum of the International Baccalaureate Primary Years Programme empowers SIS students to build upon the skills, knowledge, and attributes they develop during their primary school years, preparing them for future success.


  • Number of Students at Early Learning Center: 80 
  • Whole School: 400 (ELC, Primary and Secondary School)
  • Number of Teachers and Staff: 80
  • Student Nationalities: over 40


  • Early Learning Center – Shinagawa Seaside Campus (3–6 years old)
  • Primary / Secondary School – Main Campus
  • Music rooms
  • Visual art room
  • Design room
  • English language support room
  • Japanese rooms
  • ELC Library
  • Main Campus Library
  • ELC Gym
  • ELC Rooftop Play Garden
  • Main Campus Gym
  • Samezu Athletic Park
  • Samezu Soccer and Baseball Field
  • Konami Sports Center (1-min walk) for swimming lessons, soccer, volleyball, badminton club activities

New Services and Activities

  • Authorized IB PYP School (Primary Years Programme)
  • Authorized IB MYP (Middle Years Programme)
  • In the process of being an authorized IB DP (Diploma Programme)
  • A member of CIS (Council of International Schools)
  • Summer school
  • Child care service up to 18:00
  • School bus service (7 routes currently)  
  • English language acquisition support
  • Japanese language acquisition Support (For both native and nonnative students)
  • Math support service for both low- and high-level students
  • Participating in international Olympiads

SIS Vision: To foster passionate, independent, highly motivated learners who actively contribute to world peace.

SIS Mission: To provide a multicultural learning community that nurtures a passion for academic, social, and personal success.

SIS Educational Philosophy: SIS aims to educate each of its students to be: inspired and independent life-long learners; academically, artistically, socially, and physically balanced; inquirers and problem-solvers; multilingual communicators; responsible and principled internationally minded citizens; appreciative of our local community.

Nourishing and Celebrating Diversity

SIS is fortunate to have teachers and students from over 20 and 40 different nationalities respectively, which creates a rich blend of experiences and cultures. This results in a diverse and multicultural learning community. SIS celebrates its diversity by not only incorporating it into regular class activities but also hosting an annual International Children’s Festival.