Seisen International School
- IB Diploma
- IB MYP
- IB PYP
Per yearabout USD 9.47K–17.1K
JPY 1.5M–2.7M · 2026-27 school year · Source: school website (checked 2026-10-28)
About
Catholic kindergarten to Grade 12 IB school in Tokyo for girls, operated by the Handmaids of the Sacred Heart of Jesus. Students and faculty come from many nationalities.
Key facts
Source: Read from the school's website
Curriculum
IB Diploma · IB MYP · IB PYP
Ages
Ages 2–18
Language
English
Type
International school
Fee level
- Grades
- Kindergarten – Grade 12
- Nationalities
- 40
- Founded
- 1962
- Gender
- Girls
- Religion
- catholic
- Ownership
- Religious body
- School bus
- Yes
Fees
Source: Read from the school's website
2026-27 school year
Age on the first day of the school year (usually 1 September). Cut-off dates differ by school.
| Grade | Per year |
|---|---|
| KG (half day) | JPY 1,500,000≈ USD 9.47K |
| KG (full day) | JPY 2,500,000≈ USD 15.8K |
| 1 | JPY 2,650,000≈ USD 16.7K |
| 2 | JPY 2,650,000≈ USD 16.7K |
| 3 | JPY 2,650,000≈ USD 16.7K |
| 4 | JPY 2,650,000≈ USD 16.7K |
| 5 | JPY 2,650,000≈ USD 16.7K |
| 6 | JPY 2,700,000≈ USD 17.1K |
| 7 | JPY 2,700,000≈ USD 17.1K |
| 8 | JPY 2,700,000≈ USD 17.1K |
| 9 | JPY 2,700,000≈ USD 17.1K |
| 10 | JPY 2,700,000≈ USD 17.1K |
| 11 | JPY 2,700,000≈ USD 17.1K |
| 12 | JPY 2,700,000≈ USD 17.1K |
| per year | |
|---|---|
| KG (half day) | JPY 1,500,000 (about USD 9.47K) |
| KG (full day) | JPY 2,500,000 (about USD 15.8K) |
| 1 | JPY 2,650,000 (about USD 16.7K) |
| 2 | JPY 2,650,000 (about USD 16.7K) |
| 3 | JPY 2,650,000 (about USD 16.7K) |
| 4 | JPY 2,650,000 (about USD 16.7K) |
| 5 | JPY 2,650,000 (about USD 16.7K) |
| 6 | JPY 2,700,000 (about USD 17.1K) |
| 7 | JPY 2,700,000 (about USD 17.1K) |
| 8 | JPY 2,700,000 (about USD 17.1K) |
| 9 | JPY 2,700,000 (about USD 17.1K) |
| 10 | JPY 2,700,000 (about USD 17.1K) |
| 11 | JPY 2,700,000 (about USD 17.1K) |
| 12 | JPY 2,700,000 (about USD 17.1K) |
Source: school website (seisen.com) · checked 2026-10-28 · ECB reference rate (2026-11-06)
| min | max | |
|---|---|---|
| Seisen International School (this school) | JPY 1,500,000 (about USD 9.47K) | JPY 2,700,000 (about USD 17.1K) |
| The Innovation Fellowship (TIF) | JPY 2,250,000 (about USD 14.2K) | JPY 2,250,000 (about USD 14.2K) |
| The British School in Tokyo | JPY 2,960,000 (about USD 18.7K) | JPY 3,070,000 (about USD 19.4K) |
| Shinagawa International School | JPY 2,575,000 (about USD 16.3K) | JPY 2,900,000 (about USD 18.3K) |
| Global Indian International School, Tokyo | JPY 1,150,449 (about USD 7.27K) | JPY 1,695,435 (about USD 10.7K) |
| Musashi International School Tokyo | JPY 1,688,000 (about USD 10.7K) | JPY 2,025,000 (about USD 12.8K) |
Source: school website (seisen.com) · checked 2026-10-28 · ECB reference rate (2026-11-06)
One-off costs
- Application fee
- JPY 30,000
- Enrolment fee
- JPY 300,000
- Capital levy
- JPY 700,000
- Bus
- JPY 310,000
As published by the school. Amounts change with the school year and exchange rates; please confirm with the school before applying. Converted amounts use the reference rate of the date shown. ECB reference rate (2026-11-06). Source: school website (checked 2026-10-28)
Curriculum and academics
Source: Read from the school's website
Curricula, explained
The IB's four programmes
Schools often run only some of the four. Highlighted boxes are the ones this school offers.
- IB PYPOffered
Early years to primary · Ages 3–12
The IB's primary programme. Children learn through questions and units of inquiry rather than separate subjects.
- IB MYPOffered
Middle years (ages 11–16) · Ages 11–16
The IB's middle-years programme: eight subject groups taught with links between them, ending with a personal project.
- IB DP (Diploma)Offered
Last 2 years of school · Ages 16–19
The IB's university-entrance qualification — what people usually mean by "the IB". Six subjects plus the Extended Essay, TOK and CAS, scored out of 45.
- IB CP (Career-related)Not here
Last 2 years of school · Ages 16–19
The IB's career-related route for the same ages as the DP: at least two DP courses plus a career-related study chosen by the school.
Last two years: DP or CP
Ages are the usual bands; schools can differ.Curriculum basics guide
Strengths
- Academics
- Visual arts
- Performing arts
- Service
- Sport
- STEM
- Teachers
- 99
Campus and school life
Source: Read from the school's website
Facilities
- Library
Sports
- Tennis
- Cross country
- Volleyball
Arts
- Fine arts
- Performing arts
After-school activities
- Board Games
- Chef's Club
- English Literary Club
- Games and Puzzles
- Oratorical Debate
- Spanish
- Choir
- Chinese Culture
- Cross Stitch
- Drama Reader's Club
- Filmmaker's Club
- Hip Hop Dance
- Ukulele
- Basketball
- Gymnastics
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Sign in to requestAccreditation and memberships
Source: Read from the school's website
- Accreditations
- CIS, IB, NEASC
- Memberships
- COIS, EARCOS, JCIS
Diving deeper
Source: Read from the school's website
Governance and ownership
A Catholic school guided by the mission and educational philosophy of the Handmaids of the Sacred Heart of Jesus.
School website · Checked 2026-11-06
Academics
Source: Read from the school's website
Curriculum
Offers the IB PYP, MYP and DP programmes from kindergarten through high school.
- PYP
- MYP
- DP
School website · Checked 2026-11-06
Parent experience
Source: Read from the school's website
History
Began in 1962 as a kindergarten; offered the IB Diploma from 1986 and became an IB continuum school in 2019.
School website · Checked 2026-11-06
Community
Describes a multicultural, multi-faith community with an alumni association, a parents association, Sunday services and religion classes.
School website · Checked 2026-11-06
Parent Teacher Association (PTA)
The parents association links families and school, runs a parent buddy programme for new families and organises an annual festival.
School website · Checked 2026-11-06
Extra-curricular activities
Source: Read from the school's website
Academic and intellectual
Elementary after-school activities include coding, robotics and science clubs.
- Coding & Programming
- Lego Robotics
- Wild & Wacky Science
- Green STEM
School website · Checked 2026-11-06
Arts and creative
After-school arts activities include choir, drama, filmmaking and instrumental and dance clubs.
- Choir
- Drama Reader's Club
- Filmmaker's Club
- Ukulele
- Hip Hop Dance
School website · Checked 2026-11-06
Cultural and language
Language and culture activities include Chinese Culture and Spanish.
- Chinese Culture
- Spanish
School website · Checked 2026-11-06
Social and hobbies
Social and hobby activities include board games, puzzles and free play.
- Board Games
- Games and Puzzles
- Free Play
- Chef's Club
School website · Checked 2026-11-06
Languages
Source: Read from the school's website
Language provision
English is the main language of instruction and communication, while the school values linguistic diversity.
School website · Checked 2026-11-06
Reputation
Source: Read from the school's website
Awards
The Seisen Spirit Award is presented at graduation to a senior chosen by classmates for school spirit.
School website · Checked 2026-11-06
Accreditations
Accredited by CIS and NEASC.
School website · Checked 2026-11-06
Admissions
Source: Read from the school's website
Admissions
Applicants must fall into defined categories, and at least one parent must communicate in English with the school.
School website · Checked 2026-11-06
Location
Source: Read from the school's website
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More in this city · TokyoUpdated 2026-11-06
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