Shinagawa International School - Seaside Campus

Shinagawa International School (SIS) Seaside Campus is in Shinagawa Ward, Tokyo. The Seaside Campus address is 4-8-8 Higashishinagawa, Shinagawa, Tokyo 140-0002, and it sits within easy reach of nearby stations. The school operates a three-campus system to serve different age groups, with the Aoyoko Campus nearby in Minamishinagawa and the Samezu Campus also in Minamishinagawa. The Seaside Campus is about a 5-minute walk from Shinagawa Seaside Station and a 5-minute walk from Aomono-Yokocho Station.

SIS uses three campuses: Aoyoko Campus (Preschool – Kindergarten), Seaside Campus (Grade 1–3), and Samezu Campus (Grades 4–12). The Aoyoko Campus focuses on early years, the Seaside Campus houses the primary grades, and Samezu covers the middle and secondary years. The school's IB continuum covers the full span from Early Learning through Grade 12.

The school operates as an international co-educational day school with multiple campuses offering the IB continuum (PYP, MYP, DP). There are no boarding facilities listed.

SIS publishes English as an Additional Language (EAL) support for students in Grades 1–10. The school emphasizes small-class learning and a 1:6 teacher-student ratio, which supports personalized instruction. There is no publicly listed dedicated SEN center on the official materials.

There is no country affiliation listed for the school; SIS presents itself as an IB World School with CIS membership.

SIS is secular and does not have a religious affiliation listed publicly.

Hours of instruction are published: Preschool to Kindergarten run 8:30 am–2:30 pm, and Grades 1–12 run 8:30 am–3:00 pm. The school offers English-taught classes with Japanese language options and EAL/Japanese language support as described in the FAQs.

A school bus service is offered with multiple routes in Tokyo. Bus details and routes are provided by the admissions team. For planning, there are published bus routes and contact points in the admissions information.

Application fee

- One-time, non-refundable application fee: JPY 40,000.

Enrollment fee

- One-time, non-refundable enrollment fee: JPY 1,000,000 payable within one week of confirmation of admission.

Tuition (applicable rates for Seaside Campus students — see Grade band below)

- Seaside Campus covers Grades 1–3. The tuition rate that applies to Seaside Campus students is the Grades 1–5 band.

- Grades 1–5 tuition (per term):
- Term 1: JPY 850,000.
- Term 2: JPY 750,000.
- Term 3: JPY 750,000.
- Total tuition per year (sum of three terms): JPY 2,350,000. (850,000 + 750,000 + 750,000).

Other fee lines that may apply to Seaside Campus students

- Annual, non-refundable maintenance fee: JPY 250,000 per student.

- Supply fee: charged to cover small field trips, Japanese textbooks, class novels, and some stationery items (amount varies).

- English as an Additional Language (EAL) / Learning Support (if required): shown as term instalments in the published fee table (Term 1 JPY 200,000; Term 2 JPY 150,000; Term 3 JPY 150,000), equivalent to JPY 500,000 per year when required. EAL / Learning Support is provided only when assessed as required.

- Daycare service (available at Seaside Campus for younger and lower-primary students): term instalments shown (Term 1 JPY 275,000; Term 2 JPY 200,000; Term 3 JPY 275,000). The published rate basis is JPY 2,000 per hour. Annual total based on the term instalments: JPY 750,000.

- PTA annual fee: JPY 6,000.

- Uniforms are compulsory for all grades; cost varies by items ordered and is not included in tuition.

- Additional charges not included in the published fees (may be billed separately): lunches, non-curriculum residential and day trips, some special educational needs (SEN) support beyond included services, some exam fees, some sports events/tournaments, some extracurricular activities/after-school programs, and swimming. Examples of typical field trip costs are provided as guidance (e.g., JPY 100–1,500 depending on the excursion).

Billing schedule and payment terms

- Tuition is charged per year and is payable in three instalments (one per term).

- Typical term timing shown in the admissions portal: Term 1: mid-August; Term 2: beginning of January; Term 3: end of March. Instalment due dates correspond to the school terms.

- Late enrolment: tuition for students joining after the start of the academic year is calculated by term; attendance for any portion of a term requires payment for the full term.

- Late payment penalty: 2% of the total payment added for late payments; accounts in arrears for more than one month may result in suspension of the student until payment is made.

- Withdrawal notice: at least one complete term's prior written notice is required, or one complete term's fees must be paid in lieu of such notice.

Refund information

- All school fees are non-refundable. One-time payments and first-term tuition paid at enrollment are non-refundable. In the specified circumstance of being unable to come to Japan due to unavoidable government visa restrictions or entry regulations, tuition payments may be carried forward once.

Sibling discounts

- A sibling discount is published: a 20% discount is available for the second child's tuition for parents enrolled before the 2025–2026 school year. For parents enrolled after 2025–2026, a 10% discount is available on the tuition fees for the second and any additional siblings. A third-child 30% discount is noted as applicable only to current students in some cases.

Fee payment currency and proof requirements

- All fees are required to be remitted in Japanese Yen (JPY). The admissions portal requires proof of payment for the application fee at the time of application. Specific payment method options (credit card, bank transfer, etc.) for tuition instalments are not itemised in the published fee policy; the admissions/payment instructions provided during application and enrollment will identify acceptable payment methods.

Other notes on fees and services

- Bus services are offered; routes and availability are published and registration is subject to capacity. Bus fees and registration terms are handled separately from tuition.

- Learning support provision and charges: students identified with additional learning needs may receive Individual Education Plans (IEPs) and fees for formal learning support are applied as published when required. The EAL/Learning Support fee structure and application are outlined in the fee policy.

Primary sources referenced: published Shinagawa International School fee policy pages and the school admissions (OpenApply) application portal where term timing and application payment instructions are indicated.

The student body includes students from more than 40 different countries, with examples including the United States, Korea, the United Kingdom, Australia, China, Germany, Russia, Turkey, Peru, Taiwan, India, the Philippines, and Japan. A nationality representation cap of 25% is in place to maintain international diversity. Publicly published data does not break out the local versus international student ratio.