Marist Brothers International School
International School in Osaka
Quick answer
Marist Brothers International School (MBIS), founded in Kobe in 1951, serves 480 students from 32 nationalities aged 3 to 18. The school is an IB World School delivering the IB Continuum within a Catholic-character formation framework. Accredited by IBO, CIS and WASC. Tuition $11,555-$13,981 per year — strong value for an IB Continuum school in Japan. Long-established choice for Catholic, international and Japanese-international families on Kansai assignments.
Key facts
- Curriculum: IB, American leaving qualifications include IB Diploma and PSAT.
- Tuition: $11,555–$13,981/yr published annual range.
- Avg class size: 25 (max 28) Osaka international school · 480 students total.
- 32 nationalities top: Japanese.
- Ages: Ages 3 to 18 school day starts at 8:30am.
- Accreditations: IBO, CIS, WASC verified.
480
32 (Japanese)
25 avg / 28 max
Rolling
1972
IBO, CIS, WASC
IB Diploma and PSAT
About Marist Brothers International School
Marist Brothers International School (MBIS) is a private, college-preparatory school, catering to students from Pre-Kindergarten to Grade 12. Since opening our doors in 1951, our graduates have consistently achieved placements in universities and colleges around the world. MBIS has been accredited by the Western Association of Schools and Colleges (WASC) since 1972, and became an IB World School in 2017. We are committed to excellence in education, but believe that excellence means more than a rigorous and stimulating curriculum. Our holistic approach includes a focused dedication to character – developing skills which make our students stand out from the crowd. Character and community are at our heart – the foundation of the Marist ‘difference’.
| Item | Amount |
|---|---|
| Annual tuition (USD) | $11,555 – $13,981 |
| Annual tuition (local) | ¥1791000-¥2167000 |
| Fee year | 2025-2026 |
| True annual cost (with hidden fees)how we calculate | $14,268(+12%) |
| First-year total (with registration + deposit) | $15,768 |
| Cost position in Osaka | 79th percentile(premium tier) |
IB, American
IB Diploma and PSAT
IBDP PSAT
Please refer to the Guidance section of our website.
Japanese
Whole School Counselor Guidance Counselor English Language Support Medical Clinic - Medical Officer
MBIS welcomes all applicants, but parents should note that MBIS personnel and facilities cannot accommodate the entire range of student needs. The school has limited resources.
There are no extra classes, but our teachers differentiate instruction and use scaffolds to support language learners in the classroom.
8:30am – 3:10pm
Yes
Yes
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At a Glance
Fee Position in Osaka
Mid-rangeSchool Profile
Class Size
Student Diversity
Highly diverse
Common: Japanese
Estimated Real Cost
Tuition + registration, transport, uniform, exams
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