Yokohama International School
Yokohama International School is a non-profit international school founded in 1924 in Naka-ku, Yokohama, Japan, employing 147 staff to deliver foreign-curriculum education to expatriate and globally mobile families.
- Company typePrivate
- Founded-
- Headquarters—
- Headcount101–250
- GTM typeB2C
- OfferingServices
What Yokohama International School does
Yokohama International School (YIS) is a non-profit educational institution headquartered in Naka-ku, Yokohama, Japan, with a stated founding year of 1924 and 147 employees. As an international school, its functional role is to deliver foreign-curriculum education — typically programs such as the International Baccalaureate and IGCSE — to expatriate families, Japanese returnees, and globally mobile households in the Greater Tokyo/Yokohama corridor. The institution represents a century-old established brand in a regulated segment where accreditation and curriculum continuity create high barriers to entry, and its revenue model, while not disclosed in the available data, is consistent with the standard international school tuition-based structure (annual fees per student, supplemented by application/enrollment fees and ancillary charges). The website (yis.ac.jp) is the institution's primary digital presence.
The available source material is thin on operational specifics: no revenue figures, student enrollment counts, tuition pricing, management roster, program mix, partnerships, or technology stack have been disclosed. One of the underlying source pages returned only a loading/verification placeholder ("One moment, please..."), limiting the depth of extracted detail. Accordingly, the description above is confined to what the firmographics and institution category support — a non-profit, single-site international school in Yokohama with a long operating history — and should not be treated as a comprehensive profile. Investors evaluating this institution should treat most operational, financial, and strategic variables as undisclosed and seek primary documentation (e.g., annual reports, accreditation filings, alumni outcomes) for due diligence.
Yokohama International School firmographics
Firmographics- Name
- Yokohama International School
- Website
- https://yis.ac.jp
- Company type
- Private
- Operating status
- Operating
- Headcount range
- 101–250 employees
- Short description
- Yokohama International School is a non-profit international school founded in 1924 in Naka-ku, Yokohama, Japan, employing 147 staff to deliver foreign-curriculum education to expatriate and globally mobile families.
- Ownership category
- akta.pro rank
Yokohama International School industry classification
Industry- Product category
- K-12 International Education
- NAICS
- Elementary and Secondary Schools (6111)
- SIC
- Services-Educational Services (8200)
- akta.pro primary industry
- International/Global Curriculum Schools (IB, Cambridge, etc.) (EDAJABAG)
Keywords
Yokohama International School business model
Business model- GTM type
- B2C
- Offering type
- Services
- Cost components
- Personnel, Operations, Infrastructure, Others
Yokohama International School product offering
Product offeringCore offering
Yokohama International School is a non-profit international school in Naka-ku, Yokohama, Japan, founded in 1924 with approximately 147 employees. It delivers K-12 English-language international education services to enrolled students, operating a physical campus and a public-facing website (yis.ac.jp) for admissions and stakeholder communications.
Differentiator
Problem solved
Functional benefit
Products and services
- K-12 International Education Program
Companies that use Yokohama International School
Customer profileIdeal customer profiles1 record
Yokohama International School technology and API
TechnologyTechnology focussed No
API detail
- Has API
- No
- API docs
- API detail
Core technology
AI maturity
App detail
Yokohama International School partnerships and signals
Strategic signalRecent moves1 record
Expansion highlights3 records
Yokohama International School competitors and assessment
Company assessmentDirect peers
- Nishimachi International School: Tokyo-based K-12 international school with a long history and a strong reputation for balanced international education. Competes for the same expatriate and globally-minded Japanese families as YIS in the broader Tokyo-Yokohama market.
- American School in Japan: One of the largest and most established American international schools in the Tokyo metropolitan area, serving K-12 students with American and IB curricula. Directly comparable in offering, target market, and pricing tier to YIS.
- Saint Maur International School: Catholic international school located in Yokohama offering a similar K-12 international curriculum (IB) to Yokohama-based expatriate and globally-minded families. Operates in the same geographic market with directly comparable student demographics and tuition pricing.
- St. Mary's International School: Catholic boys' international school in Tokyo offering an American and IB curriculum for K-12 students. Comparable in mission, tuition, and target demographic to YIS, with strong brand equity in the Tokyo international school market.
- Tokyo International School: K-8 international school in Tokyo offering an IB and inquiry-based curriculum. Competes for the same international family segment in the Greater Tokyo area, with similar tuition and curriculum positioning.
- Canadian Academy: Long-established international school in Kobe offering a Canadian/Alberta and IB curriculum to K-12 students. Comparable in mission, scale, and tuition tier to YIS, often cited among Japan's premier international schools.
- British School in Tokyo: British international school offering a UK-based curriculum (IGCSE/A-Levels) to K-12 students in Tokyo. Operates in the same international school segment with comparable tuition and a similar target customer base of expatriate families.
- International School of the Sacred Heart: Catholic international school in Tokyo for girls, K-12, offering a curriculum including IB. Comparable in tuition, curriculum, and international family target market, with direct overlap in the broader Tokyo-Yokohama catchment.
- K. International School Tokyo: K-12 international school in Tokyo delivering an IB curriculum in English. Competes directly with YIS for international families in the Kanto region and operates in a similar tuition and curriculum tier.
Emerging players
- Horizon Japan International School: Yokohama and Tokyo-based international school offering IB and inquiry-based learning to K-12 students. Geographically closest competitor to YIS with a similar curriculum approach, though a younger institution with less established brand.
Market position
Strengths5 records
Weaknesses5 records
Competitive moat4 records
Key risks5 records
Key highlights5 records
Customer concentration
Yokohama International School social profiles
Digital presenceYokohama International School financial estimates
Financial estimateRevenue estimate
Valuation estimate
Yokohama International School leadership team
Management profileNumber of profiles
Yokohama International School funding detail
Funding detailFunding overview
Funding rounds
Investors
Funding detail is available on the Subscription and Enterprise plan.Contact sales →
Yokohama International 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 Yokohama International School
What does Yokohama International School do?
Yokohama International School is a non-profit international school in Naka-ku, Yokohama, Japan, founded in 1924 with approximately 147 employees. It delivers K-12 English-language international education services to enrolled students, operating a physical campus and a public-facing website (yis.ac.jp) for admissions and stakeholder communications.
When was Yokohama International School founded?
Yokohama International School was founded in -1. It employs 101 to 250 people.
Who are Yokohama International School's main competitors?
Direct peers on record are Nishimachi International School, American School in Japan, Saint Maur International School, St. Mary's International School, Tokyo International School, Canadian Academy, British School in Tokyo, International School of the Sacred Heart and K. International School Tokyo. Horizon Japan International School is listed as an emerging player.
Does Yokohama International School have an API?
No public API is recorded for Yokohama International School.
What industry is Yokohama International School in?
Yokohama International School's product category is K-12 International Education. Its primary akta.pro industry code is EDAJABAG, International/Global Curriculum Schools (IB, Cambridge, etc.). Its NAICS code is 6111 and its SIC code is 8200.