Shinagawa International School - Samezu Campus

Shinagawa International School has three campuses in Shinagawa Ward, Tokyo: Aoyoko Campus (Preschool–Kindergarten), Seaside Campus (Primary), and Samezu Campus (Secondary). The Aoyoko Campus is in Minamishinagawa; Seaside sits near Shinagawa Seaside Station, and Samezu is also located in Minamishinagawa. The campuses are accessible by multiple rail lines: Aoyoko is about 5 minutes from Aomono-Yokocho, 7 minutes from Oimachi, and 15 minutes from Shinagawa Seaside; Seaside is about 5 minutes from Shinagawa Seaside and Aomono-Yokocho, and 15 minutes from Oimachi; Samezu is about 7 minutes from Shinagawa Seaside, 3 minutes from Aomono-Yokocho, and 15 minutes from Oimachi.

The school offers an IB continuum: Early Learning Center (ELC) for ages 3–5 at the Aoyoko Campus; Primary Years Programme across Seaside (Grade 1–3) and Samezu (Grade 4–5); Middle Years Programme (MYP) for Grades 6–10; and Diploma Programme (DP) for Grades 11–12.

Co-educational day school with no boarding facilities.

Students come from more than 40 countries. The most common nationalities are not publicly disclosed, and a detailed local-to-international ratio is not published.

Learning support includes English as an Additional Language (EAL) and other supports. EAL is delivered in small groups with push‑in and pull‑out sessions, with English proficiency assessed using WIDA standards. For formally assessed students, an Individual Educational Plan (IEP) may be created; for others, a Student Success Plan is used to support inclusion in mainstream classes.

No formal country affiliation is listed.

No religious affiliation is listed.

Preschool–Kindergarten: instructional hours from 8:30 am to 2:30 pm; Grades 1–12: 8:30 am to 3:00 pm.

A safe school bus service operates, primarily for preschool and primary students with limited availability for secondary students. Buses have seat belts, GPS tracking, and attendants. There are eight routes (School Bus 1–8) serving various areas; routes and times may adjust based on demand. Parents can register by contacting the school.

The Samezu Campus serves students from Grade 4 through Grade 12, delivering the IB continuum: Primary Years Programme (PYP) in Grades 4–5, Middle Years Programme (MYP) in Grades 6–10, and the Diploma Programme (DP) in Grades 11–12. The Primary Years Programme (PYP) uses a transdisciplinary, inquiry-based approach organized around six themes: Who We Are, Where We Are In Place And Time, How We Express Ourselves, How The World Works, How We Organize Ourselves, and Sharing the Planet, with knowledge, concepts, skills, and dispositions developed through units of inquiry. In the Middle Years Programme (Grades 6–10), language and literature are taught in English and Japanese, language acquisition in Japanese, and the program covers Mathematics, Individuals and Societies, Sciences, PHE, Design, and Arts (Visual Arts and Music), with an emphasis on Approaches to Learning and the Personal Project. The Diploma Programme (Grades 11–12, commencing in 2024–25) offers Group 1 English A and Japanese A; Group 2 Japanese B and ab initio; Group 3 Business Management and Environmental Systems and Societies; Group 4 Chemistry, Biology, Physics, Computer Science, and Environmental Systems and Societies; Group 5 Mathematics (Applications and Interpretation SL or Analysis and Approaches HL) and includes the DP core—Theory of Knowledge (TOK), the Extended Essay (EE), and Creativity, Activity, Service (CAS)—with college counseling support. The school provides English-language instruction with EAL and Japanese language support, and campus groupings are Aoyoko Campus (Preschool–Kindergarten), Seaside Campus (Grade 1–3), and Samezu Campus (Grade 4–12).

Shinagawa International School's guiding statements state that it cultivates a multicultural community that supports academic, social, and personal success, and it fosters a respectful, inclusive environment with a 1:6 teacher–student ratio.

SIS Samezu Campus (Grade 4–12) provides Learning Support for students with additional needs, including EAL and behavior management, with an Individual Educational Plan (IEP) or a Student Success Plan as appropriate.

The EAL program uses small-group instruction and curriculum modifications, offering both 'push in' and 'pull out' sessions; English proficiency is assessed using WIDA standards, and enrollment and ongoing support are coordinated by the EAL coordinator and homeroom teacher.

Mental wellbeing is supported through Counseling as part of the school's Learning Support framework, with ongoing support and counseling services to help students.

SIS is committed to safeguarding, with the school describing itself as committed to child safeguarding in its safeguarding and welfare practices.

1. Inquiry: Begin by reaching out with questions about Shinagawa International School (SIS) and its IB-aligned programmes. You can ask about facilities, the IB frameworks (PYP, MYP, DP), and the learning approach to determine fit for your child. The admissions team can provide guidance on requirements and next steps, and there is no obligation to proceed after an inquiry.
2. School Visit (highly recommended but not mandatory): Arrange a visit through the admissions page or the School Visit Reservation form to see classrooms, talk with staff, and observe the campus culture. A visit helps families understand daily routines, student life, and how SIS supports multilingual and international students. This step is not mandatory for applicants, but it is strongly encouraged for a comprehensive understanding of the environment.
3. Application Submission: Complete the application form and submit it along with the required application fee. Prepare any documents requested during the application process for a smooth review. This step is essential to move forward in the admissions process.
4. Interview – Assessment: After submitting the application, applicants undergo an interview and assessment. For students in Grade 1 and above, MAP Tests assess English, reading, and math levels as part of the evaluation. The admissions team will review the results after the interview and assessment.
5. Admission Decision and Acceptance: Admission decisions are communicated within a few weeks of the assessment. Accepted applicants receive an acceptance letter and enrollment instructions, including next steps for fee payments.
6. Enrolment: Parents complete the enrollment form and arrange the necessary school fee payments to finalize enrollment. Enrollment communications and invoices are issued to successful applicants when an acceptance is granted.

Shinagawa International School does not advertise formal scholarships. There is a tuition sibling discount of 10% for the second and any additional siblings. A third-child discount of 30% is described as applicable to current students.

There is no published waitlist or pool system described in SIS admissions materials. Applications are accepted year-round with no fixed deadline. Admission decisions follow the interview/assessment process, and decisions are communicated within a few weeks; acceptance letters and enrollment instructions are sent to successful applicants.