One World International School (OWIS) Osaka
Part of Global Schools Group (GSG), Founded 2023
Updated July 2026
One World International School (OWIS) Osaka is a fast-growing K–12 international school that provides a student-centred, inquiry-based education within a multicultural environment. It is a member of the Global Schools Group (GSG) and serves a diverse community of students representing over 40 nationalities.
Curriculum
Term structure
Teaching approach
The school is committed to building a vibrant, inclusive, and nurturing community that promotes academic excellence, social responsibility, and personal growth. It emphasizes a student-centred, inquiry-based approach to learning that encourages students to focus on their strengths and pursue their passions. The school values international-mindedness, kindness, and integrity, and is a candidate school pursuing authorization as an IB World School.
Programmes
The school currently offers education from Early Childhood (ages 3–5) through Grade 8 (ages 11–14), with plans to add a new grade annually until reaching Grade 12 in 2029. The academic offering includes the Primary Years Programme (PYP) and a Junior Secondary School curriculum that promotes critical thinking and creativity. The school is a candidate for the IB Primary Years Programme and is working toward full IB World School authorization.
Outcomes
The school aims to provide a holistic, rigorous, and relevant education that equips students with the knowledge, skills, and values necessary for success in a changing world. The curriculum is designed to foster leadership, critical thinking, creativity, and deep learning, preparing students for future university life and career paths.
Student support
Learning support
The school provides tailored English language support, including Academic English Preparation (AEP) classes and an after-school intensive English club. A four-month transition programme is available to help students adjust to an English-speaking classroom. Additionally, the school employs a full-time qualified nurse and guidance counsellors to support students' personal, emotional, and future pathway development.
Frequently asked questions(5)
- What curriculum does One World International School (OWIS) Osaka offer?
- One World International School (OWIS) Osaka offers IB PYP.
- How much is tuition at One World International School (OWIS) Osaka?
- Annual tuition at One World International School (OWIS) Osaka is ¥1.4M–¥1.8M. Fees vary by year group — confirm the current schedule with the school.
- Is One World International School (OWIS) Osaka a day or boarding school?
- One World International School (OWIS) Osaka is a day school.
- What accreditations does One World International School (OWIS) Osaka hold?
- One World International School (OWIS) Osaka holds accreditations including IB.
- Where is One World International School (OWIS) Osaka located?
- One World International School (OWIS) Osaka is an international school in Osaka, Japan.
Tuition & fees
Annual tuition by grade
2026-2027| Grade | Ages | Annual |
|---|---|---|
| EC2,EC1, & Kindergarten | 3–6 | ¥1.4M |
| Grades 1 to 5 | 6–11 | ¥1.7M |
| Grades 6 to 8 | 11–14 | ¥1.8M |
Other fees(4)
| Application fee· One time, non-refundable | ¥80K |
|---|---|
| Materials· Resource Fee for EC2, EC1, & Kindergarten, yearly, non-refundable | ¥50K |
| Materials· Resource Fee for Grades 1 to 8, yearly, non-refundable | ¥70K |
| Registration fee· Building Fee, ¥34,400 per term | ¥34.4K |
Discounts
- Sibling discount: 25%
Admissions
The school offers one-to-one admissions counselling and hosts Open Campus events and experience days for prospective families. Applications are submitted via an online form, and the school provides government subsidies for tuition for students aged 3 to 5. Admissions are currently open for Early Childhood through Grade 9.
Calendar
The school operates on a three-term academic year. The academic year begins in August, with a four-month transition programme available from April to July for new starters. Office hours are Monday to Friday, 8:00 am to 4:00 pm.
Facilities
About the campus
The campus features interactive classrooms, a rooftop swimming pool, a black box theatre, and a full gymnasium. Specialized learning spaces include an IT lab equipped with Apple computers and 3D printers, a maker space, a Nikon photography studio, and a library with over 1,500 books. Outdoor facilities include a green field and play areas, and the campus is marked by an iconic 'Pixel Tree' sculpture.
Co-curriculars
The After-School, Clubs, Extracurricular, and Seasonal (ACES) programme offers a variety of activities including competitive sports, dance, arts, chess, robotics, and intensive English. The school also hosts seasonal camps during the summer and winter holidays. Competitive sports teams, such as the 'Blue Royals,' participate in friendly matches and tournaments.
- Greg CulosHead Of School
Greg Culos is the Founding Head of School at OWIS Osaka. He is dedicated to building a nurturing learning environment and a vibrant, inclusive community that enables students to achieve their full potential.
- Sumit MishraCountry Director
- Eric MaslenVice Principal
- Natalia RomanPYP Coordinator
- Robert MarvinMYP Coordinator & Speciality Teacher - Maths
- Josh EylesAfter-School, Clubs, Extracurricular & Seasonal (ACES) Programmes Co-ordinator
- Daniel CastellanosAcademic English Preparation (AEP) Coordinator
More international schools in Osaka
- Osaka YMCA International School (OYIS)IB PYP, IB MYP, IB Diploma
- Osaka International School of Kwansei GakuinIB PYP, IB MYP, IB Diploma
- Abroad International SchoolIB PYP, IB MYP, IB Diploma
- Senri International School of Kwansei GakuinOISIB PYP, IB MYP, IB Diploma
- Aiwin International School, ToyonakaIB PYP
- Church of Praise International Christian SchoolJapanese National Curriculum
IB PYP