Seisen International School in Tokyo - An IB World School
- Company typePrivate
- Founded1962
- HeadquartersTokyo, Japan
- Headcount—
- GTM typeB2C
- OfferingServices
Seisen International School in Tokyo - An IB World School firmographics
Firmographics- Name
- Seisen International School in Tokyo - An IB World School
- Legal name
- Seisen International School（清泉インターナショナル学園）
- Website
- https://seisen.com
- Company type
- Private
- Founded year
- 1962
- Operating status
- Operating
- Ownership category
- akta.pro rank
Seisen International School in Tokyo - An IB World School industry classification
Industry- Product category
- International K-12 Education
- NAICS
- Elementary and Secondary Schools (6111)
- SIC
- Services-Educational Services (8200)
- akta.pro primary industry
- International/Global Curriculum Schools (IB, Cambridge, etc.) (EDAJABAG)
- akta.pro secondary industries
- International Curriculum Early Learning Academies (e.g., IB Early Years) (EDACADAK), Language Immersion & Bilingual Private Schools (EDAJABAL)
Keywords
Where Seisen International School in Tokyo - An IB World School is headquartered
LocationHeadquarters
- HQ city
- Tokyo
- HQ country
- Japan
- HQ region
- Asia
Offices1 record
Markets served
Seisen International School in Tokyo - An IB World School business model
Business model- GTM type
- B2C
- Offering type
- Services
- Cost components
- Personnel, Infrastructure, Operations, Technology or R&D, Marketing or Sales, Others
Revenue model
- Tuition Fees: Annual tuition charged by grade level - Kindergarten Half Day JPY 1,600,000, Kindergarten Full Day JPY 2,500,000, Elementary (Grades 1-5) JPY 2,650,000, Middle School (Grades 6-8) JPY 2,700,000, High School (Grades 9-12) tuition as published.
- Application Fee: Non-refundable application fee of JPY 30,000 for each application submitted.
- Registration Fee: One-time non-refundable registration fee of JPY 300,000 upon acceptance.
- Land and Building Development Fee: One-time fee of JPY 700,000 for new students upon acceptance, non-refundable after attending any portion of school year.
- Building Maintenance Fee: Annual building maintenance fee of JPY 150,000.
- School Bus Service: Annual bus fees - One Way: JPY 310,000, Round Trip: JPY 420,000, prorated quarterly if needed.
- Corporate Contribution Plan: Corporate scholarship program for foreign-based corporations responsible for expatriate employees' educational expenses.
Pricing tiers
| Model | Billing | Price |
|---|---|---|
| Subscription | Annual | Kindergarten Half Day - Ages 2-5 |
| Subscription | Annual | Kindergarten Full Day - Ages 2-5 |
| Subscription | Annual | Elementary School - Grades 1-5 |
| Subscription | Annual | Middle School - Grades 6-8 |
| Subscription | Annual | High School - Grades 9-12 |
| Subscription | Annual | School Bus - One Way |
| Subscription | Annual | School Bus - Round Trip |
Go-to-market motion3 records
Distribution channels4 records
Marketing channels9 records
Seisen International School in Tokyo - An IB World School product offering
Product offeringCore offering
Seisen International School delivers a Catholic, English-medium Kindergarten-through-Grade-12 international education in Tokyo, offering the full International Baccalaureate (IB) Continuum — PYP, MYP, and DP — alongside a unique co-educational Montessori/IB PYP Kindergarten (ages 2-5) and an all-girls environment from Grade 1 through Grade 12. Core academic programs are supplemented by English as an Additional Language (EAL), Learning Support, STEAM education, Athletics, Fine and Performing Arts, and after-school activities. The school serves approximately 700 students representing over 40 nationalities, supported by 99 international teaching staff at a 7:1 student-to-faculty ratio.
Product overview
Seisen International School offers a comprehensive IB Continuum educational program from Kindergarten through Grade 12. The school operates as a co-educational Montessori/IB PYP Kindergarten (ages 2-5) transitioning to an all-girls environment from Grades 1-12 featuring IB PYP, IB MYP, and IB DP programs. Supporting programs include EAL, Learning Support, Athletics, Fine and Performing Arts, and after-school activities. The school utilizes integrated technology platforms including Seesaw, Managebac, Veracross, and Magnus Health for educational delivery and administration.
Differentiator
Problem solved
Functional benefit
Products and services
- IB Diploma Programme (DP) Two-year pre-university program for Grades 11-12 offering three pathways: full IB Diploma, IB Courses, or Seisen High School Diploma. Prepares students for university entry worldwide.
- IB Middle Years Programme (MYP) Five-year program for Grades 6-10 encouraging students to make practical connections between studies and the real world through global contexts.
- IB Primary Years Programme (PYP) Transdisciplinary curriculum framework for ages 3-12 focusing on holistic child development addressing physical, social, emotional, cultural and academic well-being.
- Montessori/IB PYP Kindergarten Program Co-educational program for ages 2-5 combining Montessori approach with IB Primary Years Programme elements. Features multi-age classrooms and 830 square metre private playground.
- Elementary School Program (Grades 1-5)
Quantifiable outcome
- 100% of graduates pursue higher education at universities worldwide
- +3 more outcomes
Companies that use Seisen International School in Tokyo - An IB World School
Customer profileNamed customers12 records
Segments5 records
Ideal customer profiles5 records
Seisen International School in Tokyo - An IB World School technology and API
TechnologyTechnology focussed No
API detail
- Has API
- No
- API docs
- API detail
Core technology
AI maturity
App detail
Integration6 records
AI capability2 records
Feature4 records
Seisen International School in Tokyo - An IB World School partnerships and signals
Strategic signalPartnerships
Nine partnerships are on record, tiered core and minor.
- Handmaids of the Sacred Heart of JesuscoreSponsoring religious order founded in 1877 by Saint Rafaela Maria Porras. Operates Seisen Jogakuin Incorporated Educational Institution consisting of nine Seisen schools. Sisters continue to support spiritual life of the school with convent located on campus.
- Seisen Jogakuin Incorporated Educational InstitutioncoreParent organization consisting of nine schools: Seisen University (Nagano), Seisen University Junior College, Seisen University (Tokyo), Nagano Seisen Jogakuin Senior/Junior High School, Seisen Senior/Junior High School, Seisen Elementary School, and Seisen International School. Bears full legal and financial responsibility.
- Cezars KitchenminorMeal caterer providing hot lunch program for students in Grades 1-12
- SEARCH AssociatesminorInternational placement organization used for teacher recruitment
- Times Educational Supplement (TES)minorInternational placement organization used for teacher recruitment
- Japan Council of International Schools (JCIS)coreMember school organization. Mid-year transfers between JCIS member schools require prior consultation between Heads of both schools.
- Sister Schools (22 countries)coreInternational network of schools founded by Handmaids of the Sacred Heart of Jesus including schools in Japan (Kamakura, Nagano, Nagoya, Tatebayashi, Tokyo), Philippines, Vietnam, Peru, USA, Spain, and many other countries. Students participate in cultural exchanges.
- EARCOS (East Asia Regional Council of Schools)minorProfessional organization for international schools in East Asia. Seisen participates in job alike sessions and collaborative projects.
- CIS (Council of International Schools)coreInternational schools accreditation body. Seisen is CIS accredited along with NEASC. Staff participate in professional development through CIS.
Scale indicators11 records
Recent moves9 records
Expansion highlights5 records
Seisen International School in Tokyo - An IB World School competitors and assessment
Company assessmentDirect peers
- The British School in Tokyo: Premium Tokyo-based international school offering a full K-12 IB programme to expatriate and bicultural families. Direct competitor for the same expat family segment with similar tuition tier and IB-Continuum positioning.
- American School in Japan (ASIJ): Largest U.S.-accredited international school in Tokyo, offering IB programmes across a co-ed K-12 campus. Most direct large-scale competitor to Seisen for expatriate family enrollment and university placement outcomes.
- International School of the Sacred Heart: Catholic international school in Tokyo founded by the Handmaids of the Sacred Heart of Jesus — the same religious order that sponsors Seisen. Direct peer sharing sponsor, mission, and admissions market, also offering IB programmes.
- St. Mary's International School: Catholic, all-boys international school in Tokyo with IB Diploma Programme. Operates in the same Tokyo Catholic-international-school ecosystem as Seisen; complementary gender positioning makes it a direct mirror peer for family choice.
- United Nations International School (UNIS): UN-affiliated international school in Tokyo offering IB programmes across K-12. Competes with Seisen for diplomatic, multinational, and bicultural family enrollment at premium price points.
- Nishimachi International School: Tokyo-based K-9 international school with strong Japanese-English bicultural mission. Comparable in scale and fee structure; competes for bicultural and Japanese returnee families entering the IB pathway.
- Canadian International School Tokyo: Tokyo-based IB school (PYP/MYP/DP) targeting similar expatriate and bicultural family segments. Direct competitor for premium tuition tier and university-prep positioning.
- K. International School Tokyo: IB-authorized K-12 international school in central Tokyo. Competes for similar expatriate family demographic with comparable fee structure and IB-Continuum positioning.
Regional players
- Yokohama International School: IB Continuum school serving the greater Tokyo area from Yokohama. Comparable programme offering and tuition tier; competes for expatriate families willing to commute or relocate slightly outside central Tokyo.
Others
- Council of International Schools (CIS): Global accreditation body of which Seisen is a member. Relevant ecosystem participant: CIS accreditation standards, peer evaluation processes, and professional development shape the competitive set and quality benchmarks for Tokyo international schools.
Market position
Strengths4 records
Weaknesses4 records
Competitive moat5 records
Key risks6 records
Key highlights6 records
Customer concentration
Seisen International School in Tokyo - An IB World School social profiles
Digital presenceSeisen International School in Tokyo - An IB World School compliance and trust
Trust signalCompliance5 records
Seisen International School in Tokyo - An IB World School financial estimates
Financial estimateRevenue estimate
Valuation estimate
Seisen International School in Tokyo - An IB World School leadership team
Management profileNumber of profiles
Profiles16 records
Seisen International School in Tokyo - An IB World School subsidiaries and ownership
Company hierarchySubsidiaries8 records
Seisen International School in Tokyo - An IB World School funding detail
Funding detailFunding overview
Funding rounds
Investors
Funding detail is available on the Subscription and Enterprise plan.Contact sales →
Seisen International School in Tokyo - An IB World School M&A and investment
M&A and investmentM&A
Investments
M&A and investment is available on the Subscription and Enterprise plan.Contact sales →
Frequently asked questions about Seisen International School in Tokyo - An IB World School
What does Seisen International School in Tokyo - An IB World School do?
Seisen International School delivers a Catholic, English-medium Kindergarten-through-Grade-12 international education in Tokyo, offering the full International Baccalaureate (IB) Continuum — PYP, MYP, and DP — alongside a unique co-educational Montessori/IB PYP Kindergarten (ages 2-5) and an all-girls environment from Grade 1 through Grade 12. Core academic programs are supplemented by English as an Additional Language (EAL), Learning Support, STEAM education, Athletics, Fine and Performing Arts, and after-school activities. The school serves approximately 700 students representing over 40 nationalities, supported by 99 international teaching staff at a 7:1 student-to-faculty ratio.
Is Seisen International School in Tokyo - An IB World School a public or private company?
Seisen International School in Tokyo - An IB World School is a private company. It is classified as nonprofit foundation owned and is currently operating.
When was Seisen International School in Tokyo - An IB World School founded?
Seisen International School in Tokyo - An IB World School was founded in 1962.
Where is Seisen International School in Tokyo - An IB World School based?
Seisen International School in Tokyo - An IB World School is headquartered in Tokyo, Japan, in the Asia region.
How does Seisen International School in Tokyo - An IB World School make money?
Seven revenue lines are on record. Tuition Fees are the primary driver. The others are application Fee, registration Fee, land and Building Development Fee, building Maintenance Fee, school Bus Service and corporate Contribution Plan.
Who are Seisen International School in Tokyo - An IB World School's main competitors?
Direct peers on record are The British School in Tokyo, American School in Japan (ASIJ), International School of the Sacred Heart, St. Mary's International School, United Nations International School (UNIS), Nishimachi International School, Canadian International School Tokyo and K. International School Tokyo. Yokohama International School is listed as a regional player. Council of International Schools (CIS) is listed as an others.
Does Seisen International School in Tokyo - An IB World School have an API?
No public API is recorded for Seisen International School in Tokyo - An IB World School.
What industry is Seisen International School in Tokyo - An IB World School in?
Seisen International School in Tokyo - An IB World School's product category is International K-12 Education. Its primary akta.pro industry code is EDAJABAG, International/Global Curriculum Schools (IB, Cambridge, etc.), with a secondary code of EDACADAK, International Curriculum Early Learning Academies (e.g., IB Early Years). Its NAICS code is 6111 and its SIC code is 8200.