Kogakusha Co.
- Company typePrivate
- Founded1983
- HeadquartersKawasaki, Japan
- Headcount1,001–5,000
- GTM typeB2C
- OfferingServices
Kogakusha Co. firmographics
Firmographics- Name
- Kogakusha Co.
- Legal name
- 株式会社興学社
- Website
- https://kohgakusha.com
- Company type
- Private
- Founded year
- 1983
- Operating status
- Operating
- Headcount range
- 1,001–5,000 employees
- Ownership category
- akta.pro rank
Kogakusha Co. industry classification
Industry- Product category
- Private Education and Lifelong Learning Services
- NAICS
- Exam Preparation and Tutoring (611691), Educational Support Services (611710), Language Schools (611630), Other Technical and Trade Schools (611519)
- SIC
- Services-Educational Services (8200)
- akta.pro primary industry
- K–12 Core Curriculum Small-Group Tutoring Centers (Math/ELA/Science/Social Studies) (EDANAHAA)
- akta.pro secondary industries
- Group & Class-Based Live Tutoring Platforms (EDANAGAB), Live Online Language Tutoring & Small-Group Classes (EDAMAFAD), World Languages Instruction (School-Delivered) (EDAJAFAJ), Virtual Test Prep & Online Supplemental Instruction (K–12) (EDAJADAI), K-12 & School-Based Language Exam Prep (AP, IB, IGCSE/A-Levels) (EDANACAE)
Keywords
Where Kogakusha Co. is headquartered
LocationHeadquarters
- HQ city
- Kawasaki
- HQ country
- Japan
- HQ region
- Asia
Offices7 records
Markets served
Kogakusha Co. business model
Business model- GTM type
- B2C
- Offering type
- Services
- Cost components
- Personnel, Operations, Marketing or Sales, Technology or R&D, Infrastructure, Others
Revenue model
- Tutoring and Juku Services: Revenue from small and middle school tutoring schools (プリンス進学院, 進学教室興学院, 東大ゼミナール) and individual instruction (Wings). Students pay tuition for regular classes, exam preparation courses, and seasonal intensive training programs.
- English Conversation Schools: English conversation schools (プリンス英米学院, イングリッシュワールド) generate revenue through enrollment fees and monthly tuition for English lessons, Eiken test preparation, and English afterschool programs (英語学童).
- University Exam Preparation: Toshin Satellite Prep Schools (東進衛星予備校) operate on a franchise model, providing video-based university exam preparation courses with monthly subscription fees.
- PC Training and Certification: Tokyo PC Academy generates revenue from individual course fees and corporate training contracts. Offers vocational training (職業訓練) commissioned by the national government, providing free training to job seekers.
- Childcare and After-school Services: Revenue from daycare centers (プリンス保育園), after-school day services (わくわくクラブ), and after-school English programs (英語学童).
- High School Education: Kogakusha College (興学社高等学院) operates as a skills-linked school with Hoshikoma International High School, providing high school completion programs for students with developmental difficulties or irregular attendance patterns.
- Japanese Language School: Shinjuku International Communication Academy charges tuition for international students studying Japanese to enter Japanese universities or technical schools.
- Franchise Royalties and Brand Licensing: Earnings from franchise arrangements including 东進卫星prep schools (Toshin) and licensed English World (Kansai region), including use of the Ishido-style abacus (いしど式) method.
Pricing tiers
| Model | Billing | Price |
|---|---|---|
| Subscription | Monthly | Tuition varies by school brand, program type, and grade level. Individual school locations set their own fees. |
Go-to-market motion3 records
Distribution channels6 records
Marketing channels5 records
Kogakusha Co. product offering
Product offeringCore offering
Kogakusha Co. is a lifelong education group in Japan operating over 30 school brands delivering tutoring (juku) for elementary and junior high students, university exam preparation, English conversation classes, a correspondence/skills-linked high school, a Japanese language school for international students, PC skills training and certification, nursery care, after-school developmental support, and abacus/vocal/drum studios. The group serves students from infancy through adulthood primarily across the Kanto and Kansai regions, generating revenue through recurring monthly tuition at physical school locations.
Product overview
Kogakusha Co. (株式会社 興学社) operates as a lifelong education group managing a diverse portfolio of educational institutions. The core offering consists of 小中学生学習塾 (elementary/junior high tutoring schools) under brands プリンス進学院, 進学教室 興学院, 東大ゼミナール, and イングの森, serving students preparing for high school entrance exams. The 大学受験部門 (university exam prep) includes 東進衛星予備校 (video-based prep school) and イングの森 (individualized instruction). The 英語部門 (English education) spans プリンス英米学院 and イングリッシュワールド (English conversation schools), English dispatch lessons at kindergartens, and English after-school programs (英語学童). Supporting services include 興学社高等学院 (correspondence high school with 98.9% graduation rate), 東京パソコンアカデミー (IT/pc skills training), 新宿国際交流学院 (Japanese language school for international students), プリンス保育園 (nursery), わくわくクラブ (after-school disability support), エキュート (vocal school), KDS-Yokohama (wadaiko drum studio), and the いしど式ソロバン教室 (abacus school). The group also operates overseas education support programs and maintains a research institute for special needs education. Founded in 1983, the group employs approximately 1,300 staff.
Differentiator
Problem solved
Functional benefit
Brands
- プリンス進学院 (Prince Shingakuin): 小・中学生学習塾 (Elementary and junior high school tutoring). Operates in Tokyo and Kanagawa areas.
- 進学教室 興学院 (Shingaku Kyoshitsu Kogakuin)
- 東大ゼミナール (Todai Seminar)
- いしど式ぞろばん教室 (Ishido-shiki Soroban Class)
- ウェディングWings (Individual Tutoring Wings)
- 東進衛星予備校 (Toshin Satellite Prep School)
- 興学社高等学院 (Kogakusha Kōtō Gakuin)
- プリンス英米学院 (Prince Eibei Gakuin)
- イングリッシュワールド (English World)
- エキュートランゲージセンター (Educe Language Center)
- プリンス英米学院英語学童 プリンスキッズインターナショナルスクール (Prince Kids International School)
- 英語学童 (English Gakudo)
- 東京パソコンアカデミー (Tokyo PC Academy)
- 新宿国際交流学院 (Shinjuku International Communication Academy)
- エキュート (EDUCE / Vocal School)
- KDS-Yokohama 興学社和太鼓スタジオ
- わくわくクラブ (Wakuwaku Club)
- プリンス保育園 (Prince Hoikuen)
- 特定非公開法人 興学社教育研究所 (NPO Kohgakusha Educational Research Institute)
Products and services
- Prince Shingakuin (プリンス進学院) Elementary and junior high school tutoring school (juku) operating in Tokyo and Kanagawa areas, providing intensive instruction to prepare students for high school entrance exams and build lifelong academic skills.
- Kohgakuin (進学教室 興学院) Elementary and junior high school tutoring school (juku) operating in Tokyo area, providing intensive instruction to prepare students for high school entrance exams.
- Todai Seminar (東大ゼミナール) Elementary and junior high school tutoring school (juku) operating in Chiba area, providing intensive instruction for high school entrance exam preparation.
- Wings (個別指導Wings)
Quantifiable outcome
- Eiken test passers: approximately 3,000 students per year from English schools
- +4 more outcomes
Companies that use Kogakusha Co.
Customer profileNamed customers3 records
Ideal customer profiles5 records
Kogakusha Co. technology and API
TechnologyTechnology focussed No
API detail
- Has API
- No
- API docs
- API detail
Core technology
AI maturity
App detail
Feature4 records
Kogakusha Co. partnerships and signals
Strategic signalPartnerships
Six partnerships are on record, tiered core and minor.
- Toshin Satellite Prep School (東進衛星予備校 / Nagase Group)coreKogakusha Group operates multiple 東進衛星予備校 locations as a franchisee. The partnership provides access to Tosin brand video-based university exam preparation content, famous instructor lectures, and the Tosin testing and evaluation system. Locations include 八王子オクトーレ校, 南大沢パオレ校, 聖蹟桜ヶ丘駅前校, 古淵駅前校, 八柱校, 八千代中央駅北口校, 柏駅西口校, 新越谷駅東口校.
- English World (イングリッシュワールド) Kansai Regioncoreイングリッシュワールド operates as a franchise English conversation school brand in the Kansai region (Osaka, Hyogo), under license from Kogakusha Group. Multiple locations including 千里中央校, 緑地公園校, 豊中校, 天王寺校, 高槻校, 茨木校, 塚口校. The brand features native and Japanese instructors with a focus on Eiken test preparation.
- Ishido-style Abacus Method (いしど式)minorIshido-style abacus (いしど式) is a franchised abacus education method integrated into Prince Shingakuin and Toho Seminar tutoring schools. The method emphasizes not only calculation skills but also character development through concentration, memory, and determination.
- Nagase Co., Ltd. (株式会社ナガセ) and Ishido Co., Ltd. (株式会社イシド)minorPersonal information shared-use agreement for franchise Tosho Satellite Prep Schools and Ishido-style abacus schools. The joint administrators (株式会社ナガセ and 株式会社イシド) jointly use personal information for sales promotion activities, product delivery, and related notifications for franchise locations.
- Hoshikoma International High School (星槎国際高等学校)coreKogakusha High School (興学社高等学院) operates as an officially designated Skills-Linked School (技能連携校) under Hoshikoma International High School, enabling students to earn high school graduation credits through vocational and skills education. The partnership allows classes taken at Kogakusha facilities to count toward graduation requirements at the affiliated high school.
- Regional Juku Partners (through Kohgaku University Network)coreThe Kohgaku University Network (興大ネットワーク) extends the annual Kohgaku University (興学社大学) instructor training program to partner tutoring schools nationwide. Partner schools participate in the annual training conferences and share best practices in private education, contributing to the broader development of Japan's private tutoring industry.
Scale indicators10 records
Recent moves6 records
Expansion highlights6 records
Kogakusha Co. competitors and assessment
Company assessmentBroad incumbents
- Gakken Holdings: Major Japanese education and publishing group with K-12 tutoring, English education (Gakken Classroom), and learning material publishing. Comparable in its cradle-to-career education positioning, though with stronger publishing and content IP.
- Benesse Holdings: Large Japanese education conglomerate operating Shinkenzemi correspondence courses, juku (Todai Juku, Aoba), and broader education services. Comparable in multi-segment education scope, but at materially larger scale and with broader product portfolio.
- Nagase Brothers (Toshin): Operator of Toshin Satellite Prep Schools, the franchise partner supplying Kogakusha's university exam prep content and brand. Comparable as a Japanese university prep powerhouse; relevant both as content source and as a benchmark competitor.
Direct peers
- Kawaijuku (河合塾): One of Japan's largest private education groups offering juku tutoring, university exam preparation, and K-12 programs. Directly competes with Kogakusha in the high school exam prep and university prep segments across multiple regions.
- Sundai (駿台): Long-established Japanese juku and university exam preparation school chain. Comparable to Kogakusha's tutoring and university prep offerings, with similar instructor-driven business model.
- Yoyogi Zemi (代々木ゼミナール): Major Japanese juku and university exam preparation chain offering K-12 tutoring and prep courses nationwide. Directly comparable to Kogakusha's Prince Shingakuin and Toshin Satellite prep school operations in core customer segments and curriculum.
- ECC (ECC Co., Ltd.): Major Japanese English conversation and language school operator with a broad network of schools. Comparable to Kogakusha's English education division in customer base, subscription model, and instructor-driven delivery.
- Interac (Human Holdings subsidiary): Largest dispatch provider of Assistant Language Teachers (ALTs) to Japanese kindergartens, elementary, junior high, and high schools. Directly comparable to Kogakusha's Educe Language Center English dispatch business serving kindergartens and nurseries.
- NOVA Holdings: One of Japan's largest English conversation school chains with nationwide locations. Directly comparable to Kogakusha's Prince Eibei Gakuin and English World English conversation schools in target customer (children/adults seeking English instruction) and subscription tuition model.
Regional players
- Wakate (若手): Japanese K-12 tutoring and test preparation operator. Comparable as a multi-brand juku competitor, though geographically focused in regions where Kogakusha does not directly operate, making it a regional rather than direct head-to-head peer.
Market position
Strengths5 records
Weaknesses5 records
Competitive moat5 records
Key risks6 records
Key highlights7 records
Customer concentration
Kogakusha Co. social profiles
Digital presenceKogakusha Co. financial estimates
Financial estimateRevenue estimate
Valuation estimate
Kogakusha Co. leadership team
Management profileNumber of profiles
Profiles3 records
Kogakusha Co. funding detail
Funding detailFunding overview
Funding rounds
Investors
Funding detail is available on the Subscription and Enterprise plan.Contact sales →
Kogakusha Co. 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 Kogakusha Co.
What does Kogakusha Co. do?
Kogakusha Co. is a lifelong education group in Japan operating over 30 school brands delivering tutoring (juku) for elementary and junior high students, university exam preparation, English conversation classes, a correspondence/skills-linked high school, a Japanese language school for international students, PC skills training and certification, nursery care, after-school developmental support, and abacus/vocal/drum studios. The group serves students from infancy through adulthood primarily across the Kanto and Kansai regions, generating revenue through recurring monthly tuition at physical school locations.
Is Kogakusha Co. a public or private company?
Kogakusha Co. is a private company. It is classified as founder individual operated bootstrapped and is currently operating.
When was Kogakusha Co. founded?
Kogakusha Co. was founded in 1983. It employs 1,001 to 5,000 people.
Where is Kogakusha Co. based?
Kogakusha Co. is headquartered in Kawasaki, Japan, in the Asia region.
How does Kogakusha Co. make money?
Eight revenue lines are on record. Tutoring and Juku Services are the primary driver. The others are english Conversation Schools, university Exam Preparation, PC Training and Certification, childcare and After-school Services, high School Education, japanese Language School and franchise Royalties and Brand Licensing.
Who are Kogakusha Co.'s main competitors?
Broad incumbents on record are Gakken Holdings, Benesse Holdings and Nagase Brothers (Toshin). Direct peers are Kawaijuku (河合塾), Sundai (駿台), Yoyogi Zemi (代々木ゼミナール), ECC (ECC Co., Ltd.), Interac (Human Holdings subsidiary) and NOVA Holdings. Wakate (若手) is listed as a regional player.
Does Kogakusha Co. have an API?
No public API is recorded for Kogakusha Co..
What industry is Kogakusha Co. in?
Kogakusha Co.'s product category is Private Education and Lifelong Learning Services. Its primary akta.pro industry code is EDANAHAA, K–12 Core Curriculum Small-Group Tutoring Centers (Math/ELA/Science/Social Studies), with a secondary code of EDANAGAB, Group & Class-Based Live Tutoring Platforms. Its NAICS code is 611691 and its SIC code is 8200.