Cities / Tokyo / Nishimachi International School
Nishimachi International School
One of Tokyo's oldest international schools, founded in 1949, with a distinctive bilingual programme requiring all students to study Japanese daily across nine proficiency levels. Co-ed, non-sectarian, covering Kindergarten through Grade 9 only. Located in Moto-Azabu, a short walk from…
In brief
A K-9 school in Moto-Azabu founded 1949, widely regarded as Tokyo's strongest preparation route into ASIJ, St. Mary's, Seisen, and overseas boarding schools.
Nishimachi sits on a compact Minato-ku campus and serves around 480 students. English is the language of instruction, but the Japanese program is the school's distinguishing strength and runs daily from beginner to native level for every student. CIS and WASC accreditation back the academic record. Roughly half of graduates moving on within Japan land at ASIJ, with the rest split across other Tokyo internationals and US and UK boarding schools.
Admissions, especially at K5, are competitive on family fit as well as the child. Parents value the academic rigour, the culture and language emphasis, and a head and faculty perceived as warm and consistent. The honest caveat is that the school stops at Grade 9, every family plans a high school transfer from the start. Families committed to staying in the Tokyo international circuit treat that as a feature rather than a flaw.
Fees
| Fee | Age | Type | Amount |
|---|---|---|---|
| Kindergarten - Grade 9 (flat rate) | 5 | Annual | $3,529,000 |
| Application Fee | One-time | $30,000 | |
| Registration Fee | One-time | $300,000 | |
| Building Fund | One-time | $825,000 |
Reviews
- The school is repeatedly named in r/japanlife and r/Tokyo as the standard pick for families who want serious Japanese language alongside an English-medium programme; one parent said "we had an incredible experience at Nishimachi International School. My son loved it".
- Reviews highlight Japanese language and culture as the central reason families choose the school, with Japanese taught at all proficiency levels under MEXT-aligned guidance and a more bilingual student body than other Tokyo internationals.
- A long-running constraint is that Nishimachi ends at Grade 9; families plan a transfer to ASIJ, YIS, Saint Maur or international high schools for upper secondary, and this is the most common point of friction in online discussion.
- Aggregator scores cluster around 3 to on small pools; teacher community calls it a respected but lower-paying employer, which families read as a stable but smaller-scale operation.
- An alumna from the 1970s said "I went to Nishimachi. Such an amazing place and experience"; recent parent voices echo the sense of a tight community in an Azabu enclave.
Head of school
Karen O'Neill
A warm welcome to Nishimachi International School! Founded in 1949, our founder, Miss Tané Matsukata envisioned a School community built on strong foundational skills in cross-cultural communication. Today, a Nishimachi education continues to offer children the tools and life skills to connect and collaborate with others from diverse backgrounds in an increasingly interdependent world. For over 70 years, Miss Matsukata’s legacy lives within our strong academic, activity-based learning program. At Nishimachi, we proudly offer high-quality, interactive opportunities for students both inside and outside the classroom, incorporating current best practices in pedagogy. We cultivate a passion for excellence and a love of learning in each child. Our commitment to multiculturalism is supported through our exceptional Japanese language and culture program that is taught daily at all grades, Kindergarten through Grade 9.
Accreditations
- Council of International Schools 01
- Western Association of Schools and Colleges (Accrediting Commission for Schools) 02
Academic results
- Result Not published
- Result school serves students from Kindergarten through Grade 9 and does not offer IB DP or A-Level programs.