Seisen International School

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Seisen International School

Seisen International School – Challenging students in their learning and inspiring them to live and act on the basis of their faith and values.

~ 50 Years of Love in Action ~

Seisen International School is a Catholic, college-preparatory, girls’ day school with a coeducational Montessori Kindergarten. Seisen is operated by the Handmaids of the Sacred Heart of Jesus and is accredited by the Council of International Schools and the New England Association of Schools and Colleges. Seisen is also recognized by the Japanese Ministry of Education via the Seisen Jogakuin Educational Foundation.


Seisen has been serving the international and diplomatic community in Tokyo for over fifty years.  The school provides a Christian environment which welcomes and respects children of all nationalities and faiths.  Seisen began as a kindergarten in 1949 with only four American students, then moved to Gotanda in 1962 with 70 students and added a first grade. By 1973, a year after Seisen moved to the present location in Yoga, Setagaya-ku the school was extended to include grade 12. Today there is an enrollment of 650 students representing more than 50 nationalities.


Seisen’s Montessori Kindergarten is the longest-running Montessori Kindergarten in the Kanto Plain region. The Montessori Kindergarten is a three-year program designed to take full advantage of young children’s motivation and their sensitivity to their environment. The Montessori equipment helps in the development of concentration, coordination, good working habits and basic skills according to each child’s capacity in a non-competitive environment.


Seisen’s Elementary School is fully authorized by the International Baccalaureate Organization to offer the Primary Years Programme (PYP).  PYP is a transdisciplinary program of international education designed to foster the development of the whole child.  The program provides an environment where students are encouraged to be thinkers and inquirers and to find ways to problem-solve.  The teachers serve as facilitators and provide the necessary coaching and information and strategies to promote high-quality learning.


Seisen’s Middle School and High School programs are designed to meet the needs of young women who may find themselves living almost anywhere in the world.  To fully serve Seisen’s university-bound, international student body, the school offers the International Baccalaureate Diploma.  A college advisor helps students in college selection and career orientation.


In addition to the support given by homeroom teachers, advisors and subject teachers, qualified counselors are available to all students. Opportunities in a wide range of extracurricular activities in both the Elementary and High School levels complement the academic program and prepare the students to be motivated, responsible and active participants in an ever-changing international community.



Kindergarden, Elementary School, Middle school, High school
12-15 Yoga 1-chome, Setagaya-ku, Tokyo 158-0097
Offers PYP and IB/DP; accredited by MEXT, NEASC, ECIS.
  • Seisen International School
  • Seisen International School
  • Seisen International School
  • Seisen International School