A world of choice for all children

– Empower Children Through Learning –

An international school with multiple campuses across Nagano Prefecture, from age 0 through junior high. Surrounded by the beauty of Shinshu, ISN gives children a one-of-a-kind place to learn, explore, and discover the world.

Matsumoto Nagano Nakano Saku
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0Years
of excellence
Est. 2012
0Students
enrolled
Ages 0–15
0
Campuses
4 areas in Nagano
0–15Ages
Integrated
Preschool–Junior High

Why ISN?

Six Reasons Families Choose ISN

Why ISN? — We answer that question with six proven strengths.

01

Article 1 Accredited × International Education

An officially accredited school under Japan’s School Education Act, while embracing IB (International Baccalaureate) principles. Combining Japanese academic credentials with world-class inquiry-based learning. (Gojo Elementary)

02

14+ Years of Proven Results

Since our founding in 2012, over 14 years of educational practice and continuous improvement. Graduates have gone on to top Japanese schools and international high schools worldwide.

03

IB Principles × Original Development Method

Built on IB philosophy and inquiry-based learning, integrating psychology, philosophy, and leadership theory. We’ve established ISN’s unique method: Open Mindset + Integrity = Self-Trust.

04

Integrated Education (Ages 0–15)

Set against Shinshu’s spectacular natural landscape, our integrated educational philosophy guides children from play to inquiry to co-creation, with age-appropriate programs from preschool through junior high.

05

Learning Through Shinshu’s Nature

Starting with the Shiga Kogen UNESCO Eco-Park Environmental Learning Program (Nakano Elementary), outdoor activities — hiking, farming, skiing — are woven into the curriculum across all campuses throughout all four seasons.

06

A Community of Co-Creation with Parents

We see parents as partners and co-creators, valuing collaboration that draws on their expertise and networks, building equal partnerships together.

Programs

Three Programs

Age 0–5

Preschool

Nurturing the foundational experience of ‘Learning is fun!’ and building a base for natural communication in both English and Japanese

Through daily life and play, children build up ‘discoveries’, developing a natural foundation for communication in both English and Japanese.

Enrollment from age 0 (Saku Kirihara Campus) Bilingual Education G1 Japanese & Math Head Start English Skills Development (Reading, Writing, Speaking, Understanding, Expressing)
Learn More →
Children talking with a teacher at preschool

Grade 1–6

Elementary

Developing individual abilities through hands-on, self-directed experiences

Student-centered, dialogue-based learning develops curiosity, expression, and independence through English and Japanese.

Article 1 Accredited (Gojo Elementary) Shiga Kogen UNESCO Eco-Park Learning Partner (Nagano Nakano Elementary) Project-Based Learning Bilingual Education PIC Program (G6+)
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An elementary student and teacher talking over a laptop

Grade 7–9+

Junior High

Developing the essential capacity for a rich life. Building self-trust as the foundation for forging your own path

We nurture the ‘ability to enrich one’s life’ that cannot be measured by test scores alone. Balancing five dimensions of well-being — love, health, money, learning, and work — students explore their own interests and values deeply, building a lifelong foundation for inquiry.

ISN Original PIC Program 8 Corporate Collaboration Projects National Geographic Materials Outdoor Inquiry Activities Developing Multiple Perspectives
Learn More →
Junior high students in the library space

Our Philosophy

Educational Philosophy

VISION

A world of choice for all children

* Here, ‘world’ means not just overseas, but the expansion of all possibilities.

MISSION

Empower Children Through Learning

Philosophy
Open Mindset Integrity Self-Trust
Five Guiding Principles
01 Connect with Essence
02 Deep Listening
03 Engage with Care
04 From Autonomy to Agency
05 Design Thinking

Shinshu’s Nature Is Our Classroom

Matsumoto Area

Shimauchi CampusIB
Preschool (Certified ECEC Center / Ages 3–6)
Minami-Matsumoto CampusIB
Preschool (Certified ECEC Center / Ages 2–6)
Gojo Campus (Elementary)IB PYP Candidate
Elementary (Article 1 School)
Pursuing authorization as an IB World School
Gojo Campus (Junior High)
Junior High (Free School)

Nagano / Nakano Area

Nagano CampusIB
Preschool (Free Early Childhood Education & Care / Ages 2–6)
Nagano-Nakano CampusIB PYP Candidate
Elementary (Free School / Shiga Kogen UNESCO Eco-Park Partner School)
Pursuing authorization as an IB World School
*Junior High opening planned for 2028

Saku / Miyota / Karuizawa Area

Saku Kirihara Campus
Preschool (Certified ECEC Center / Ages 0 (7 months)–6)

* IB PYP Candidate School: As a candidate school for the International Baccalaureate (IB) Primary Years Programme, we are pursuing authorization as an IB World School. Candidate status does not guarantee that authorization will be granted.

Relocation

Choosing ISN from outside Nagano

About 20–30% of our students are families who relocated from outside the prefecture. They share how it actually went — housing, work, and settling into the community.

Hear from families who moved →

Voices

Parent & Student Voices

“Building genuine confidence through independence”

Discovering the joy of thinking and challenging on their own.

I thought international school might be a high bar, but what surprised me was my child’s transformation. It’s not just speaking English — they now take on challenges they used to avoid. The teachers engage earnestly with each child’s individuality, and thanks to their warm support, our child is developing real independence, expressing their own opinions confidently at home too.

Elementary / Azumino City

“World-class learning that deepens the parent-child bond”

IB education transformed our family conversations.

We chose ISN for its International Baccalaureate (IB) program, and the growth has exceeded our expectations. The school hosts parent workshops too, so we can deepen our own learning alongside our children. Watching our child naturally absorb English while interacting daily with friends and teachers from diverse backgrounds is a daily joy.

Preschool / Matsumoto City

“The ideal educational environment, connected to the community”

World-class education in Shinshu’s rich environment.

I had no idea such a rich educational environment existed in our neighborhood. The external lessons like swimming at preschool are incredibly comprehensive, and the ability to develop international sensibility while staying connected to local culture is a value unique to ISN. Supported by the dedicated teachers and staff, our child truly loves going to school every day.

Preschool / Nagano City

Alumni Voices

Alumni Voices — ISN graduates, today

Taro
Kaisei Junior High → Kaisei High School (current)
Track & Field / Math Research Club

Having no resistance to English presentations is thanks to ISN. From a young age, making slides and speaking in English in front of people became like second nature. Even during my summer study abroad, I could talk with people from overseas without hesitation.

Ryu
Matsumoto Shuho Secondary School → High School Year 1
Eiken Grade 1 / MEXT Minister’s Award / Canadian Ambassador’s Award

I achieved Eiken Grade 1 and high scores in TOEIC and TOEFL. Since English doesn’t require much study time, I can focus on other subjects and maintain strong grades across the board. The presentation skills I built in elementary school continue to serve me well in many situations.

Yuki
Age 3–G4 Matsumoto → Tokyo Gakugei University International Secondary School → High School (current)
Stanford Summer Camp participant

At a school with many returnee students, people are surprised when I say I grew up in Japan. At the Stanford summer camp, I could communicate with international friends on a deeper level. Knowing English gives you this feeling of being able to reach information that Japanese alone can’t access.

Initiative

From Nagano, to communities across Japan.

Together with local governments and educational institutions, ISN is working to bring “a world of choice” to communities across the country — building on 14 years of practice in Nagano.

Japan Re-Boost Camp 2026.10.19–20 Matsumoto, Nagano

See the initiative →

News

Latest News

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Blog

Head of School Blog

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Admission

Admission

01
Request Info
02
Book a Tour
03
Personal Consultation

Start with a campus visit

A first step in thinking together about your child’s future.