Intercultural Institute of Japan | インターカルト日本語学校

What Intercultural Institute of Japan | インターカルト日本語学校 does

Intercultural Institute of Japan (インターカルト日本語学校) is a private Japanese language school and teacher training institution headquartered in Akihabara, Taito Ward, Tokyo. Founded in 1985, the institute operates a dual-business model: delivering Japanese language education to international students seeking academic or professional integration in Japan, and providing certified teacher training for aspiring Japanese language educators. The student-facing school offers four course formats — the Weekly Course (minimum 1 week, communications-focused curriculum), the Long-term Course (1–2 years under student visa, covering university preparation, business Japanese, and JLPT preparation), Private/Group Lessons, and Seasonal Special Courses. The teacher training division operates a 420-hour Registered Japanese Language Teacher certification program in both in-person (commuter) and distance-learning (correspondence) formats, plus a test preparation course for the Japanese Language Teaching Ability Certification Examination.

The institute's curriculum is built on a communication-focused methodology supported by its proprietary "Weekly J" textbook series (published by a third-party publisher) and the Finger Board digital learning app developed with technology partner Semiosys. The school holds ISO 29991 certification for language education services and, as of 2025, is a Registered Japanese Language Teacher Training Institution (登録日本語教員養成機関) certified by Japan's Ministry of Education, enabling graduates to obtain national teaching qualifications. Its website is localized into 18 languages to serve prospective students across global markets.

Commercially, the institute generates revenue through tuition subscriptions (weekly, monthly, and annual billing cadences depending on course type), teacher training program fees, and accommodation arrangement services for international students. Under the long-tenured leadership of Director Kato Sanae (加藤早苗), who joined the teacher training course in 1987 and has led the school for over 25 years, the institute maintains a small operational core of 6 employees supplemented by a distributed satellite and partner network. This network includes satellite teacher training locations in Fukushima, Yamaguchi, Fukuoka, and Okinawa in Japan, plus partner schools and alumni-led organizations in Malaysia, Indonesia, Thailand, Taiwan, Hong Kong, and Korea. The school participates in international study abroad fairs across Asia as its primary student acquisition channel and has cultivated an alumni network of Japanese language teachers working worldwide, several of whom have founded their own schools in home countries.

Name

Intercultural Institute of Japan | インターカルト日本語学校

Legal name

インターカルト日本語学校

Website

https://incul.com

Company type

Private

Founded year

1985

Operating status

Operating

Headcount range

1–10 employees

Short description

Intercultural Institute of Japan is a private Japanese language school and teacher training institution in Akihabara, Tokyo, founded in 1985. It serves international students seeking Japanese higher education and trains certified Japanese language teachers through 420-hour programs.

Ownership category

akta.pro rank

Product category

Japanese Language Education

NAICS

Language Schools (611630), Exam Preparation and Tutoring (611691)

SIC

Services-Educational Services (8200)

akta.pro primary industry

General Language Schools (Multi-Language) (EDAIAEAA)

akta.pro secondary industries

Exam Preparation for Language Proficiency (TOEFL/IELTS/DELE/HSK/JLPT, etc.) (EDAMAFAF), International Year One (IYO) / First-Year Pathway Programs (EDAIAJAC), TESOL / Bilingual / World Language Teacher Preparation Programs (EDAHAFAI)

Keywords

• Japanese language education
• Japanese teacher training
• Study abroad programs
• Language school services
• JLPT preparation

Headquarters

HQ city

Tokyo (Akihabara)

HQ country

Japan

HQ region

Asia

Offices3 records

Markets served

GTM type

B2C

Offering type

Services

Cost components

Personnel, Operations, Marketing or Sales, Infrastructure, Others

Revenue model

1. Japanese Language School Tuition: Tuition fees from weekly courses, long-term courses (1-2 years for student visas), private/group lessons, and special seasonal courses (summer, winter programs). Pricing varies by course type, duration, and intensity.
2. Japanese Teacher Training Programs: 420-hour Japanese teacher certification courses offered in both in-person and distance formats. Includes teaching methodology, practical training, and examination preparation courses.
3. Accommodation Services: Dormitory and accommodation arrangement services for international students in Japan

Pricing tiers

Go-to-market motion2 records

Distribution channels4 records

Marketing channels5 records

Core offering

The Intercultural Institute of Japan operates a Japanese language school offering Weekly Courses (starting from 1 week), Long-term Courses (1-2 years under student visa), Private/Group Lessons, and Seasonal Special Courses (summer/winter, JLPT prep). It also operates a Japanese Language Teacher Training Institute delivering 420-hour commuter and correspondence certification courses leading to the Registered Japanese Language Teacher qualification, plus Japanese Teaching Ability Test preparation. Supporting assets include the original Weekly J textbook series and the Finger Board digital learning app.

Product overview

Intercultural Institute of Japan (インターカルト日本語学校) operates a dual-structure educational business consisting of (1) a Japanese language school offering multiple course formats — Weekly Course (starts weekly, minimum 1 week), Long-term Course (1–2 year study abroad visa programs), Private/Group Lessons, and Seasonal Special Courses — and (2) a Japanese Language Teacher Training Institute offering face-to-face and correspondence programs for registered Japanese language teacher certification, plus JLPT test preparation. The school also produces original teaching materials (Weekly J textbook series) and a digital learning app (Finger Board, developed with Semiosis). The institution is headquartered in Akihabara, Tokyo, and has satellite campuses across Japan as well as overseas offices and partner schools.

Differentiator

Problem solved

Functional benefit

Brands

• Weekly J: Original textbook series published by the institute
• Finger Board

Products and services

• Weekly Course (ウィークリーコース) Short-term Japanese language course starting weekly, offered 5 days per week with a communication-focused curriculum designed to enable students to speak Japanese quickly. Minimum enrollment is 1 week. Targeted at visitors and short-term learners.
• Long-term Course (長期コース) Full-time Japanese language program lasting 1 to 2 years for students who obtain a student visa. Covers university preparation, business Japanese, and JLPT preparation. Targeted at international students seeking admission to Japanese universities or specialized training colleges.
• Private Lessons / Group Lessons (プライベートレッスン・グループレッスン) Intensive customized Japanese language learning sessions for individuals or small groups who cannot attend daily daytime classes due to work or school schedules. Targeted at working professionals and individuals needing flexible scheduling.
• Special Courses (特別コース) Seasonal Japanese courses lasting 2 to 4 weeks combining study and cultural activities (summer/winter break programs), plus dedicated JLPT preparation courses held in July and December. Targeted at short-term visitors and JLPT candidates.
• Japanese Language Teacher Training Course — Commuter Course (日本語教員養成講座 通学コース) Face-to-face Japanese language teacher training program (420 hours) that prepares candidates for the Registered Japanese Language Teacher certification under Japan's national qualification system. Targeted at aspiring Japanese language teachers in Japan.
• Japanese Language Teacher Training Course — Correspondence Course (日本語教員養成講座 通信コース) Distance-learning Japanese language teacher training program with communication-based instruction and enrollment discounts. Targeted at aspiring teachers who cannot attend in-person classes, including those based overseas.
• Japanese Teaching Ability Test Preparation Course (日本語教育能力検定試験対策コース) Targeted preparation course for the Japanese Language Teaching Ability Certification Examination. Targeted at candidates sitting the national teaching ability examination.
• Weekly J Series (Weekly J シリーズ) Original Japanese language textbook series authored by Intercultural Institute faculty, used in the Weekly Course curriculum and published by a third-party publisher for retail sale. Targeted at Japanese language learners and teachers worldwide.
• Finger Board App Japanese language learning support mobile application co-developed by Intercultural Institute teacher training graduates with technology partner Semiosys. Won the EdTech Japan Global Pitch competition and was presented at SXSWedu in Austin, USA.

Quantifiable outcome

• 420-hour teacher certification courses meeting Ministry of Education standards for Registered Japanese Language Teacher qualification
• +1 more outcomes

Named customers5 records

Segments4 records

Ideal customer profiles4 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature2 records

Partnerships

Eight partnerships are on record, tiered core and minor.

• AtoZ Language Centre (Malaysia)coreStrategic or Co-development PartnerLong-standing Malaysian partner co-hosting education fairs and training Japanese teachers. Run by graduates of Intercultural Institute's teacher training program.
• Jeducation (Thailand)coreStrategic or Co-development PartnerOrganizes Thailand study abroad fairs. Intercultural Institute has participated in 47 of 48 editions since the fair began. Primary channel for Thai student recruitment.
• Daruma Education (Indonesia)coreStrategic or Co-development PartnerIndonesian education organization founded by Intercultural Institute teacher training graduate. Coordinates Japanese language education programs and study abroad activities.
• Nikkei Japanese Language School (Hong Kong)minorStrategic or Co-development PartnerLong-term partnership with Hong Kong Japanese language school celebrating 40th anniversary. Historical ties dating back decades.
• JAGAM (Malaysia Japanese Alumni Association)minorGTM or Marketing PartnerAssociation of Japanese留学 experience holders in Malaysia, founded in 1970s. Co-organizes study abroad events and promotes Japanese education.
• Fukushima Medical Career College (連携協定校)coreStrategic or Co-development PartnerSatellite teacher training location in Fukushima, Japan. Part of network offering Registered Japanese Language Teacher certification courses.
• HotJeT (日本語教師養成・研修推進拠点整備事業)coreStrategic or Co-development PartnerMinistry of Education initiative for Japanese language teacher training. Intercultural Institute participates in Hokkaido/Tohoku block activities.
• 放送大学 (Open University of Japan)minorStrategic or Co-development PartnerPartnership for teacher training program development and mutual educational collaboration.

Scale indicators4 records

Recent moves8 records

Expansion highlights6 records

Direct peers

• Genki Japanese Language School (GenkiJACS): Fukuoka and Tokyo-based Japanese language school offering short-term and long-term programs, plus teacher training. Comparable in dual focus on student courses and teacher development, and in regional Asian recruitment strategy.
• Coto Japanese Academy: Japanese language school with campuses in Tokyo, Yokohama, Osaka, and online programs. Directly comparable in serving international students and working professionals with flexible Japanese language instruction, with a stronger digital footprint.
• Akamonkai Japanese Language School: Long-established Tokyo Japanese language school with long-term student visa programs and short-term courses. Comparable as a heritage Tokyo institution serving international students pursuing Japanese higher education.
• ARC Tokyo Japanese Language School: Tokyo-based Japanese language school with long-term, short-term, and JLPT preparation courses, plus teacher training. Comparable in comprehensive program offerings and international student focus.
• Tokyo School of Japanese Language: Tokyo-based Japanese language school with long-term and short-term programs for international students. Comparable in course structure and target student segment.
• KAI Japanese Language School: Tokyo-based Japanese language school offering long-term student visa courses, short-term courses, and private lessons to international students. Directly comparable in course structure, target market, and tuition-based revenue model.
• Nihongo Center (Japanese Language Center of Tokyo): Tokyo Japanese language school offering both language courses and teacher training. Comparable as a dual-function institution combining student instruction with teacher certification programs.
• ISI Group (International Study Institute): One of Japan's largest Japanese language school operators, with multiple campuses in Tokyo, Osaka, and Kyoto serving international students on student visas. Directly comparable to Intercultural Institute as a multi-location Japanese language school targeting the same international student segments.

Emerging players

• GoGo Nihon: Study abroad agency that connects international students with Japanese language schools. Comparable as a participant in the same international student recruitment funnel, though operating as an intermediary rather than a school.

Broad incumbents

• Berlitz Japan: Global language education brand with Japanese operations teaching Japanese to foreign learners as part of a broader multi-language portfolio. Comparable in offering Japanese instruction to professionals, but operates as a general language chain rather than a Japan-specialist.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat5 records

Key risks5 records

Key highlights6 records

Customer concentration

• YouTubeyoutube.com/channel/UCzQS游行
• Facebookfacebook.com/inculnihongo
• LinkedInlinkedin.com/school/intercultural-institute-of-japan

Revenue estimate

Valuation estimate

Number of profiles

Profiles1 record

Subsidiaries1 record

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 Intercultural Institute of Japan | インターカルト日本語学校