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Seisen Crest

A Catholic Kindergarten to Grade 12 IB international school in Tokyo

Preparing global leaders, critical thinkers and compassionate women for tomorrow.

Our Stories

Learning to Love, Loving to Learn since 1962

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Phelps Family

"On arriving Japan back in 2007 we were warmly welcomed by Seisen and our four year old quickly settled into Bluebell kindergarten class. Since that time Seisen has been very much part of our daily lives not only from the aspect of providing a well rounded education to our three daughters but a strong sense of belonging.  

Our whole family has found friendships within the Seisen community and we can rely on access to structured support from within the school to informal contact with teachers and other mums and dads in the area.  

A strong and stable faculty, an excellent IB program and a diverse and fun social calendar all make us proud to be part of the Seisen family!"

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Mary Chu, Seisen Former Students's Association President

“Every memory of Seisen is wonderful which includes the Sisters, my friends, teachers, staff, classes, participating in extracurricular activities, and being involved at school.  What they all have in common is that as a child and student, I knew that I belonged at Seisen.  As students, we always accepted each other even for our differences in culture, religion, and opinions.  We didn’t judge and were never judged.  I’m grateful to my parents for choosing Seisen for me since Seisen is a big part of who I am today."

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Ms. Grantham, P.E.

"I have been a physical educator for 20 years. As a physical educator, I believe in and I am committed to bringing out the best in all my students and to develop them holistically through fun, engaging and enjoyable health and physical education activities. My love for children and my passion for teaching stems from my early childhood days of using my vivid imagination to pretend that I am a teacher giving instructions, often using my sibling (who politely obliged each time), as a student. Growing up in Singapore and being surrounded by the lush greenery in my garden city often gave my parents opportunities to expose me to the outdoor environment where tree climbing and ocean swimming were great weekend escapes from the hustle and bustle of a busy Singaporean lifestyle. As such, my love for physical activity and sport was developed from a young age and it has been my commitment and mission to pass that on to my students, knowing that I can impact upon them so positively.

It has always been a dream of mine to teach and live in Japan. The fascinating beauty and culture of the place, people and food has always been so appealing to me. When a position was made available at Seisen International School, I immediately looked at the Seisen mission and identified with how as a Catholic teacher, I am able to embody the spirit of Christ to support students in developing their unique talents in becoming 'competent and compassionate players in our global society' especially through PE and sport. As an international school educator, I feel privileged to work with remarkable students and staff from diverse backgrounds and my calling has brought me to Seisen International School with the aim of 'empowering my students through the shared responsibility' we have as teachers.

I am excited and blessed to be a part of the Seisen International School community and my journey has only just begun!"

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Bevan Family

What does it mean to be a Seisen family? 

My daughter Ayame has been a student at Seisen for over 12 years. She entered kindergarten and is now undertaking her IB studies in grade 11

We chose Seisen because of its academic reputation, and the ability to undertake the IB curriculum

Over the years we have seen our daughter grow and become a confident open-minded young lady. Through the dedicated and caring teachers and the open and flexible mantra of the school

We have also grown up with Ayame. Passionately following her participation is basketball Volleyball and many other activities. Meeting many of her friend’s parents and building strong and lasting relationship with them all.

The school has a wonderfully international and diverse population It actively empowers our daughters and encourages them to thrive in everything that they do.

We are passionate about Seisen and actively promote the school to all we meet.

Facts & Figures

The Seisen Story

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55+

Nationalities represented by Seisen Students

ib world school

3

International Baccalaureate Programmes Offered

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20+

Nationalities represented by Seisen Faculty

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22

Countries with Sister Schools founded by the Handmaids of the Sacred Heart of Jesus

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7:1

Student to Faculty Ratio

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3/3

Fall Sports Far East Championships won in 2019 (Tennis, Cross Country, Volleyball)

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1962

The Handmaids of the Sacred Heart of Jesus operated Kindergarten is relocated from Yoyogi to Gotanda.

1972

Move to new Setagaya campus in Yoga.

1974

Sister Asuncion Lecubarri, the new principal, awards diplomas to 18 students. Seisen's first graduating class.

1986

First girls school in Asia to offer the International Baccalaureate Diploma Program.

2007

International Baccalaureate Organization authorized Seisen to start the Primary Years Program. 

2012

Seiren International School celebrates it's 50th Anniversary.

2019

With the addition of the Middle Years Program Seiren becomes an IB Continuum School.

2021

Launch of the new school website.

2022

Celebration of our Diamond Anniversary.

Seiren International School in Tokyo logo in white

The Seisen Experience

Programs & Features

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News & Events

The latest school updates

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