Top International Schools in Osaka

Overview: IB Diploma · — · ¥118.8K–¥398.9K

Osaka Prefectural Suito International Junior and Senior High School is Japan's first public integrated international school operated by a private organization (Osaka YMCA), opened in April 2019 in Osaka's Suminoe Ward. The school offers English immersion, inquiry-based learning, and the IB Diploma Programme alongside the Japanese national curriculum. Students choose from Global Communication, Global Science, or IB courses in senior high. With a hensachi (deviation score) of approximately 58, it rapidly built strong university placement records at both Japanese national universities and international institutions.

Overview: IB PYP, IB MYP · 3–18 · ¥900K–¥2M

Abroad International School Osaka (AIS Osaka) is a co-educational IB World School founded in 2002, offering English-medium education for children aged 1–18 through the IB Primary Years Programme (PYP) and Middle Years Programme (MYP), with the IB Diploma launching in 2026. Located in Osaka, Japan, AIS maintains small classes and a very low student–teacher ratio of approximately 5:1 to ensure individual attention for every learner. The school serves a diverse community of around 190 students from 26 nationalities, with approximately 53% international and 47% Japanese local students. Its mission centres on developing multilingual, inquiry-driven, open-minded global citizens through play-based and project-led learning from the earliest years. AIS Osaka is distinguished by its genuine international community, strong pastoral culture, and commitment to nurturing lifelong learners who act with caring, respect, and compassion.

Overview: A-Level, IGCSE · — · ¥1M–¥1.8M

Ascot International School Japan is a small, bilingual Cambridge International school located on a 5-acre woodland campus in Kita-ku, Kobe. Founded in 2018, it serves approximately 70 students aged 2–18 across Nursery through Upper Secondary (Year 13), following the Cambridge IGCSE and A-Level pathways alongside integrated Japanese language instruction. The school is distinguished by its nature-based 'forest school' ethos, maximum class sizes of 15, and a strong emphasis on individualized learning and global citizenship. With a certified Cambridge International status (since 2022) and WASC accreditation, Ascot blends British academic rigour with the natural beauty of the Kansai region.

Overview: IB Diploma, IB MYP · 3–12 · ¥1.6M–¥2.2M

Osaka YMCA International School (OYIS) is Osaka's only full IB continuum day school, founded in 2001 and serving over 300 students from approximately 40 nationalities across preschool through Grade 12. Accredited by WASC and authorised for IB PYP, MYP, and DP, it offers inquiry-based, student-centred learning in a bilingual urban environment across two central Osaka campuses. OYIS is committed to developing tomorrow's leaders through small class sizes, strong community values, and a motto of 'Encounter, Connect, Transform.'

Overview: IB PYP, IB MYP · 3–18 · ¥2.2M–¥2.7M

Osaka International School of Kwansei Gakuin (OIS) is a private, co-educational IB World School in Osaka, Japan, serving students from Kindergarten through Grade 12 since 1991. OIS was the first school in Japan to offer all three IB programmes (PYP, MYP, and DP), and consistently achieves IB Diploma results well above world averages—averaging 36–37 points with 100% pass rates. With approximately 270 students from around 35 nationalities, it offers an intimate yet genuinely international community in the Kansai region. The school shares a campus with its sister school, Senri International School, enabling joint sports, arts, and cultural activities. OIS is fully English-medium and serves primarily expatriate families and Japanese returnees.