School Information

Seisen International School, established in 1962 by the Handmaids of the Sacred Heart of Jesus, is one of the schools under the Seisen Educational Institution. It begins with a coeducational Montessori kindergarten and continues as an all-girls school from Grade 1 through Grade 12, offering the International Baccalaureate (IB) programs: PYP, MYP, and DP.

Guided by the educational philosophy of “Love and Service,” over 100 international faculty members from 26 countries provide a safe and high-quality learning environment. Approximately half of the teachers hold a master’s degree, 4% hold a doctorate, and they bring an average of 18 years of teaching experience.

The school also excels in the arts and sports, and offers a learning environment that embraces and supports students from diverse cultural backgrounds.


Detailed Information

School Name Seisen International School
Phone Number 03-3704-2661
Email Address info@seisen.com
Website https://www.seisen.com/
Number of Campuses 1
Campus
A09_Seisen International School
1-12-15 Yoga, Setagaya-ku, Tokyo 158-0097
School Type Kindergarten / Elementary School / Junior High School / High School
Number of persons, etc.
Category Capacity Average number of classes (per grade level) Average Class Size
Kindergarten 210 8 25
Elementary School 250 10 25
Junior High School 150 6 25
High School 200 8 25
Kindergarten
Capacity 210
Average number of classes (per grade level) 8
Average Class Size 25
Elementary School
Capacity 250
Average number of classes (per grade level) 10
Average Class Size 25
Junior High School
Capacity 150
Average number of classes (per grade level) 6
Average Class Size 25
High School
Capacity 200
Average number of classes (per grade level) 8
Average Class Size 25
Capacity (entire school) 810
Admission Requirements and Selection Process

Eligibility for the English-based curriculum will be determined based on the applicant’s educational background and language proficiency.

Coeducational/Boys' School/Girls' School Girl's School
Instructional Language English
Primary Nationalities of Students
Around 60 nationalities
School Year August-July
International accreditations held (WASC, CIS, ACSI, NEASC, Cognia, COBIS, etc.) CIS / NEASC
Curriculum International Baccalaureate (PYP) / International Baccalaureate (MYP) / International Baccalaureate (DP)
Tuition
Category Tuition Enrollment fee
Kindergarten 2,200,000 300,000
Elementary School 2,350,000 300,000
Junior High School 2,370,000 300,000
High School 2,370,000 300,000
Kindergarten
Tuition 2,200,000
Enrollment fee 300,000
Elementary School
Tuition 2,350,000
Enrollment fee 300,000
Junior High School
Tuition 2,370,000
Enrollment fee 300,000
High School
Tuition 2,370,000
Enrollment fee 300,000
Number of Teachers 106
Sports Facilities Sports Field:Available / Gymnasium:Available / Swimming Pool:Not Available
School Bus Available