International, Christian curriculum
Ages 5 to 18

St. Mary's International School

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CurriculumInternational, Christian
Language of instructionEnglish
Age RangeAges 5 to 18
International Baccalaureate Yes
Yearly fees (G7): ¥2,280,000
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Quick summary of key school information

Language of instruction English
Native English teachers
Extra languages (other than English)
Class sizes Average 21 students / class
Maximum 24 students / class
Extracurricular activities
School bus
Yearly fees: ¥2,280,000
Address: 1 Chome-1-6-19 Seta Setagaya, Tokyo 158-8668 Japan

Important notes about this school

The school provides education only to boys.

All the details about this school in their own words

We have organised the information available for this school into 6 sections and 25 questions. Click or tap on the name of each section to read more.
Number of students


Number of nationalities represented in the school


Max. number of students per class

Academic class size is limited at 24 (18 in Kindergarten and 22 grade 1).

Average number of students per class


Language support for students not fluent in English

The school has English Second Language Program.

Additional language classes offered by the school

Japanese, French

Use of technology in the classroom

Through the use of up-to-date technical and educational resources, students gain competence and confidence in their ability to use technology to meet their educational goals. Beginning with basic computer skills in the lower elementary grades, students participate in a learning program designed to help develop increasingly refined information technology skills, including the use of the Internet. Concurrently, each new technology skill that is developed facilitates the attainment of core curricular goals, thereby enhancing the students' acquisition of knowledge in all subject areas. Throughout the program, students are encouraged and expected to use technology in a manner that builds trust and respect among people locally and globally.

Do teachers assign homework to their students?


Approximate hours of homework given

Depends on the subject and grade level.

Uniform required


Brief description of entry evaluation required

Students are admitted on the basis of transcripts from previous schools, standardized test results, and a personal interview with the prospective student and parents. A screening test is part of the admissions process.

External examinations or assessments available

IB Diploma

Results in these examinations

While approximately 70-75% of IB candidates earn the Diploma worldwide, St. Mary’s average is over 80%.
SMIS boys consistently score above boys in other international schools in the IB program, with an average pass rate for the last three years of 91% and up to 85%
of seniors in any given year are full IB Diploma candidates. SMIS boys consistently score above boys in other international schools in the IB program, with an average pass rate for the last three years of 91% and up to 85%
of seniors in any given year are full IB Diploma.

School bus service available


Dedicated staff/programs for students with special learning needs

Student Support Services.
St. Mary's does not have the facilities to serve children who have serious learning, emotional or physical disabilities and all students are enrolled in mainstream classes. Students must be able to learn in the mainstream classes with a minimum of special assistance. Academic support classes provide mainstream curriculum reinforcement for 7th through 10th graders. Elective writing classes are offered for any boys who may need additional reinforcement of writing skills. High School students are available to act as tutors for younger students in a program supervised by the Learning Support Coordinator.

Learning support offered

By working with parents and faculty, the Learning Support Coordinator guides caregivers regarding learning-related matters. The primary role of the Learning Support Coordinator is to support boys who may not be performing to grade level expectations and/or are experiencing learning difficulties. This support can include any of the following: academic screening, observation of the student in different learning environments, meetings with parents and teachers regarding recommendations to help the student, consultation regarding strategies and modifications, discussion of student work and referrals to external services. The Learning Support Coordinator recruits and advises high school boys who tutor younger students. The Learning Support Coordinator is also involved in admissions screening for RP and Grade 1 and consults with principals at all levels as needed for admissions.

School start time

8:25 am

School finish time

3:15 pm

Extracurricular activities or clubs offered

Speech, debate, drama, brain bowl, musical, choir, math, instrumental music, basketball, baseball, cross country, soccer, track and field, intramurals, ball hockey, swimming, tennis, wrestling, weight-lifting.

School provided lunches


Sports activities included

Physical education

Sports facilities at the school

SMIS has four tennis courts, outdoor basketball courts, and a multi-purpose field for baseball, soccer and field sports as well as a ski lodge. A fully equipped gymnasium for basketball, as well as a world-class natatorium with year-round heated pool. Tennis courts and the field are open on weekends for
student and family use.

Sports teams or sport competitions available for students


Qualities and characteristics best defining the school

SMIS is a boys school in Tokyo. A St. Mary's education nurtures the intellectual, physical, emotional, and social development of each student. SMIS offers a challenging array of core curricular and extra-curricular programs designed to enable the student to achieve excellence and success. SMIS fosters multi-cultural awareness and understanding, and encourage students to develop a sense of global responsibility and citizenship.

Teaching approach of the school

St. Mary's is an all boys international school in Tokyo, and its programs are specifically designed to meet the educational and developmental needs of boys. SMIS offers a private, college-preparatory program and provides a sound liberal arts education that enables its students to enter and succeed in the best colleges and universities around the world. St. Mary's International School fosters an atmosphere which allows students to fully express themselves through a wide range of academic and artistic activities.

The St. Mary's experience begins with a pre-first grade program and culminates with a challenging four-year college preparatory curriculum. St. Mary's offers the International Baccalaureate course of studies, which is a globally recognized and rigorous pre-university program providing academic and interpersonal training that gives students the competitive edge they need for both university studies and their later careers. In addition to the core curricular offerings, St. Mary's has an outstanding array of specialist teachers and facilities, giving students a myriad of opportunities to pursue their interests and fulfill their desires.