School Information

Located in central Tokyo, St. Mary’s International School offers students a truly international education from elementary through high school.

Our rigorous curriculum is balanced with exceptional programs in arts, athletics, and leadership, giving every student the chance to explore their passions and pursue their interests.

More than academics, we focus on building character, collaboration, resilience, and a love of learning within a caring and supportive community. At St. Mary’s, students are challenged, inspired, and empowered to grow into confident, capable individuals ready to thrive in an ever-changing world.


WHY CHOOSE ST.MARY’S?

At St. Mary’s, we understand the importance of finding the right school for your child and strive to provide an exceptional educational experience that lays the foundation for individual success and personal growth.

1. WE ARE A NOT-FOR-PROFIT, FULLY ACCREDITED SCHOOL

  • As a not-for-profit institution, our focus is on reinvesting in our students' success. We hire the best teachers, provide state-of-the-art facilities, employ professional counselors, and continuously invest in educational resources to enhance the quality of learning.
  • We are accredited by the Western Association of Schools and Colleges (WASC) and the Council of International Schools (CIS).

2. WE ARE INTERNATIONAL

  • We celebrate diversity with students and faculty from over 45 countries,fostering a global community within our school.

3. WE ARE A BOYS’ SCHOOL

  • Our programs, resources, and faculty are dedicated to meeting the unique educational and developmental needs of boys.

4. WE ARE A CATHOLIC SCHOOL FOSTERING COMPASSIONATE GLOBAL CITIZENS

  • Founded by the Brothers of Christian Instruction, we are a Catholic International School welcoming boys of all faiths.
  • Our K-12 Religion/Ethics Program instills values of respect, responsibility, integrity, courage, compassion, and harmony.

5. SAFE, MODERN CAMPUS

  • Rebuilt in 2009, our campus includes solar panels and is one of Tokyo's safest buildings. Facilities feature modern classrooms, a 25-meter swimming pool, a cafeteria, a gymnasium, tennis courts, a soccer field, a theater, and playgrounds.

6. COMPREHENSIVE EXTRA-CURRICULAR PROGRAMS

  • With over 100 sports, arts and extracurricular activities, we have one of the largest, most diverse offerings amongst international schools in Tokyo.

7. OUTSTANDING COLLEGE ACCEPTANCE

  • Our graduates are accepted into some of the most prestigious colleges worldwide, reflecting the high quality of our academic programs.

8. WE ARE A CLOSE COMMUNITY WITH A STRONG ALUMNI NETWORK

  • Our unique spirit, driven by a close community and a distinguished alumni network, creates a supportive, lasting network for all students.

Detailed Information

School Name St. Mary’s International School
Phone Number 03-3709-3411
Email Address info@smis.ac.jp
Website https://www.smis.ac.jp/
Number of Campuses 1
Campus
A10_St. Mary's International School
1-6-19 Seta, Setagaya-ku, Tokyo 158-8668
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 72 4 18
Elementary School 375 15 25
Junior High School 225 9 25
High School 288 12 24
Kindergarten
Capacity 72
Average number of classes (per grade level) 4
Average Class Size 18
Elementary School
Capacity 375
Average number of classes (per grade level) 15
Average Class Size 25
Junior High School
Capacity 225
Average number of classes (per grade level) 9
Average Class Size 25
High School
Capacity 288
Average number of classes (per grade level) 12
Average Class Size 24
Capacity (entire school) 960
Admission Requirements and Selection Process

After the document screening, applicants will be evaluated through an academic test and an interview. Please refer to the following URL for further details. https://www.smis.ac.jp/admissions/admissions-policy

Coeducational/Boys' School/Girls' School Boy's School
Instructional Language English
Primary Nationalities of Students
Australia, Canada, China, France, the United Kingdom, Hong Kong, India, South Korea, Taiwan, Malaysia, Poland, Tanzania, Singapore, Switzerland, the United States, Japan, the Philippines, and 47 countries in total
School Year September–August
International accreditations held (WASC, CIS, ACSI, NEASC, Cognia, COBIS, etc.) WASC / CIS
Curriculum International Baccalaureate (DP)
Tuition
Category Tuition Enrollment fee
Kindergarten 2,700,000 400,000
Elementary School 2,700,000 400,000
Junior High School 2,800,000 400,000
High School 2,850,000 400,000
Kindergarten
Tuition 2,700,000
Enrollment fee 400,000
Elementary School
Tuition 2,700,000
Enrollment fee 400,000
Junior High School
Tuition 2,800,000
Enrollment fee 400,000
High School
Tuition 2,850,000
Enrollment fee 400,000
Number of Teachers 114
Sports Facilities Sports Field:Available / Gymnasium:Available / Swimming Pool:Available
School Bus Available