Yokohama International School

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.

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

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

• International education
• K-12 schooling
• Private school
• Expatriate education
• English-language curriculum

GTM type

B2C

Offering type

Services

Cost components

Personnel, Operations, Infrastructure, Others

Core 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

Ideal customer profiles1 record

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Recent moves1 record

Expansion highlights3 records

Direct 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

• LinkedInlinkedin.com/school/yokohama-international-school

Revenue estimate

Valuation estimate

Number of profiles

Funding overview

Funding rounds

Investors

Funding detail is available on the Subscription and Enterprise plan.Contact sales →

M&A

Investments

M&A and investment is available on the Subscription and Enterprise plan.Contact sales →

Frequently asked questions about Yokohama International School