What （株）エデュケーショナルネットワーク does

株式会社エデュケーショナルネットワーク (Educational Network Inc.) is a Japanese education-services company founded in 2003 and headquartered in Chiyoda-ku, Tokyo. It operates as a member of the Z-Kai Group (Z会グループ) and functions as a one-stop "best partner" for educational institutions, providing printed textbooks, digital learning systems, standardized testing services, internet application platforms, teacher staffing, managed learning programs, and school community platforms. The company serves four primary customer segments — tutorial schools and private education companies, private elementary/middle/high schools, government offices and municipalities, and universities/vocational schools — plus a secondary segment for office equipment and supplies. With 281 full-time employees as of April 1, 2026 and sales offices in six Japanese cities (Tokyo, Osaka, Sendai, Matsumoto, Kuki, Fukuoka), it combines nationwide institutional sales coverage with e-commerce self-service via shop.e-network.jp.

The company's product portfolio spans proprietary AI-powered services (AI Essay Training / AI添削トレーニング for essay grading, LANGX Speaking for AI conversational English assessment, AI Learning Characteristics Diagnosis, and Optimastudy For School with kanji stroke-order handwriting recognition), traditional year-round textbook series (新演習 / Shin Enshu) across elementary, middle, and high school, internet application systems (miraicompass sales agency for K-12 and miraicompass HE for higher education), standardized mock exams (Attack Test, Nagano Mock Exam reaching ~1 in 3 third-year middle school students in Nagano across ~250 venues), teacher dispatch and talent-introduction services (E-Staff), and school community platforms (Yellz crowdfunding with ¥300M+ cumulative donations, 卒ナビ alumni management, IKISAKI school evaluation, 進学通信 school introduction magazine). Technology integrations include Sony's KOOV programming curriculum, Monoxer AI-based knowledge retention, MyET speech training, and Sankei Online English Conversation.

Revenue is generated through a diversified mix: one-time printed-textbook and testing sales, recurring subscription access to digital platforms (Optimastudy, AI Essay Training, school community platforms), transaction fees on miraicompass internet-application commissions, professional-services fees for staffing and student-recruitment support, managed-services contracts for municipality-operated after-school programs, and hardware sales of office equipment. The go-to-market combines sales-led direct enterprise sales, an e-commerce shop for SMB/individual buyers, sales-agency relationships for third-party platforms, and event-driven marketing including seminars and media cooperation with major Japanese publications (AERA, Asahi Shimbun, Yomiuri Shimbun). Pricing is largely quote-based and not publicly disclosed, with a freemium free-trial campaign on AI Essay Training for tutorial schools running through March 31, 2026 as a product-led growth lever.

Name

（株）エデュケーショナルネットワーク

Legal name

株式会社エデュケーショナルネットワーク

Website

https://e-network.jp

Company type

Private

Founded year

2003

Operating status

Operating

Headcount range

11–50 employees

Short description

Japanese education-services firm and Z-Kai Group member providing textbooks, AI-powered learning tools, standardized testing, teacher staffing, and school community platforms to tutorial schools, private K-12 schools, municipalities, and universities across Japan.

Ownership category

akta.pro rank

Product category

Education Services and Educational Technology

NAICS

Educational Support Services (611710), Educational Support Services (61171)

SIC

Services-Educational Services (8200)

akta.pro primary industry

Curriculum, Lesson Planning & Instructional Content Platforms (EDAJAMAD)

akta.pro secondary industries

Assessment, Testing & Analytics Platforms (Formative/Summative) (EDAJAMAC), Learning Management Systems (LMS) & Digital Classrooms (EDAJAMAA), Student Information Systems (SIS) & School Administration Platforms (EDAJAMAB)

Keywords

• Educational materials
• Digital learning platforms
• AI essay grading
• Teacher staffing services
• School management software

Headquarters

HQ city

Tokyo (Chiyoda-ku)

HQ country

Japan

HQ region

Asia

Offices6 records

Markets served

GTM type

B2B

Offering type

Services

Cost components

Personnel, Operations, Technology or R&D, Marketing or Sales, Supply Chain, Others

Revenue model

1. Educational Materials Sales: Sale of printed educational materials including year-round textbooks for elementary, middle, and high school students, exam preparation materials, supplementary materials, and custom/original textbooks. Materials are sold through the company's e-commerce shop with tiered pricing based on grade level and subject.
2. Digital Learning Systems and Software: Subscription-based access to online learning systems like Optimastudy, speaking training apps like MyET and New Exercise Online Speaking, and AI-powered essay grading services. Revenue generated through per-user or subscription licensing.
3. Testing and Assessment Services: Provides various standardized tests including Attack Test, Junior Attack Test, Public Middle School Exam Test, and Nagano Mock Exam. Tests are offered both online (Assesst) and in traditional paper format.
4. Internet Application Systems: Sales agency commission from reselling miraicompass internet application systems to schools, kindergartens through high schools. Also offers miraicompassHE for universities and vocational schools.
5. E-Staff Staffing Services: Dispatch and introduction services for teaching staff to private schools, educational institutions, and municipalities. Recently expanded to include personnel introduction services for private education companies.
6. Learning Support Programs: After-school tutoring programs, weekend programs, specialized courses (English, science, programming), and support for truant students operated on behalf of municipalities and schools.
7. Student Recruitment Support: Services including school promotional video production, school guide production, homepage creation and analysis, promotional merchandise, and student recruitment tools. Also includes school supporter crowdfunding platform Yellz.
8. Equipment and Office Supplies: Sales of office furniture, OA equipment, ICT devices, and moving/layout change services to educational institutions and other companies.
9. School Support Services: School management community services like 卒ナビ (alumni management), Yellz (school supporter crowdfunding), IKISAKI (school evaluation system), and self-study room management.

Pricing tiers

Go-to-market motion3 records

Distribution channels4 records

Marketing channels7 records

Core offering

Educational Network provides educational institutions (tutorial schools, private K-12 schools, municipalities, and universities) with a comprehensive portfolio including printed textbooks and entrance exam prep materials, digital learning platforms (Optimastudy), proprietary AI-powered essay grading service (AI添削トレーニング), teacher dispatch and referral services (E-Staff), school community platforms (Yellz crowdfunding, 卒ナビ alumni management, IKISAKI evaluation), internet application systems (miraicompass), standardized testing services (Attack Test, なが模試), and managed after-school programs. The company operates as an 'education total planner' within the Z-Kai Group, combining its own content, proprietary AI technology, and a nationwide distribution network across six Japanese cities.

Product overview

Educational Network provides a comprehensive education platform with multiple product categories serving tutoring centers, private schools, public institutions, and universities. The core product portfolio includes AI-powered essay review service (AI添削トレーニング), entrance exam preparation materials (通年教材, 入試対策教材), digital learning platforms (オプティマスタディ, VIRTUAL KOOV, MyET), online testing systems (Assesst), internet application systems (miraicompass), school community platforms (Yellz, 卒ナビ), and teaching staff services (E-Staff). Products serve all educational segments from elementary through university level, with additional offerings in equipment/facilities and ICT tools. The company operates within the Z-Kai Group and serves as an 'education total planner' supporting various educational institutions.

Differentiator

Problem solved

Functional benefit

Brands

• E-Staff（イー・スタッフ）: 私立小・中・高校等各种教育機関への教職員の派遣・紹介サービス。
• AI添削トレーニング
• Yellz（エールズ）
• IKISAKI（イキサキ）
• オプティマスタディ
• LANGX Speaking
• 卒ナビ
• miraicompass
• アタックテスト
• 新演習
• 進学通信
• スクールポット

Products and services

• AI添削トレーニング (AI Essay Training) AI-powered composition and application essay review service using proprietary AI to provide rapid and accurate grading feedback with structured evaluation scores, improvement points, and detailed comments. Serves high schools and tutoring centers, reducing teacher grading workload and enabling consistent feedback quality across multi-branch operations.
• E-Staff (Teacher Dispatch and Referral) Teaching staff dispatch and referral service for private elementary, middle, and high schools, educational institutions, and municipalities. Recently expanded to include personnel introduction services for private education companies. Provides subject teachers, specialized staff, and administrative personnel.
• miraicompass / miraicompass HE Internet entrance exam application system with extensive nationwide market share covering kindergarten through high school, plus a higher education version (HE) for universities and vocational schools. Handles complex admissions requirements with optional features including event reservation, acceptance announcements, and enrollment fee payment processing. Sold via Educational Network as sales agent.
• Optimastudy For School School-exclusive online home learning platform that reduces teacher workload by automatically checking homework submissions, automatic grading, and handwriting recognition with correct kanji stroke order including stops, turns, and flicks.
• IKISAKI (School Evaluation System) Web-based survey system specialized for school and class evaluation. Enables anyone to easily create readable, understandable reports without specialized knowledge, supporting school evaluation implementation.
• Yellz (School Crowdfunding Platform) School support crowdfunding platform that collects donations from supporters and builds school communities. Cumulative donations exceeded 300 million yen as of May 2025. Connected to coverage on news programs including 'news zero', 'Catch!', and 'news runner'.
• 卒ナビ (Sotsunavi - Alumni Management Service) Alumni management and community service platform operated by schools that maintains ongoing relationships with graduates and expands supporter networks contributing to school sustainable operations.
• LANGX Speaking (AI English Speaking Test) AI conversation agent-based English speaking assessment test that measures impromptu conversation ability through interactive two-way dialogue. Adjusts topic difficulty based on individual proficiency level.
• なが模試 (Nagano Mock Exam) Regional high school entrance mock exam covering all of Nagano prefecture with approximately 250 test sites; approximately 1 in 3 third-year middle school students in the prefecture take the exam.
• Attack Test Series (Junior / ジュニアAttack / 公中Attack) Series of standardized tests covering junior high school entrance exam practice aligned with 中学受験新演習 curriculum, monthly administration with school recommendation analysis. Includes lower grade, public middle school, and Junior versions for early enrollment expansion.
• Assesst (Online Testing System) Online confirmation test system for middle school content, multi-device compatible for classroom and home testing, with automatic grading and result accumulation for personalized learning.
• 通年教材 - Year-round Textbooks (Elementary / Middle / High School) Year-round textbook series for elementary, middle, and high school students covering textbook supplementation, private/christian school entrance exams, and public secondary school aptitude tests, with detailed level differentiation by academic ability and subject. High school materials updated for 2025 new curriculum standards.
• DiscoveRe Method® Non-cognitive ability visualization tool that quantifies previously difficult-to-measure non-cognitive abilities through 'Skills (objective evaluation) and Self (self-evaluation) checks', useful for school operations and student self-reflection.
• 放課後児童クラブ・放課後子ども教室 (After-School Programs) After-school childcare service and after-school children's classroom programs operated on behalf of municipalities and schools, utilizing surplus school space to promote children's mental and healthy development through learning, sports, and cultural activities.
• Equipment and Office Supplies Sales Sales of office furniture, OA equipment, ICT devices, and moving/layout change services to educational institutions and other companies through partnerships with manufacturers including Ricoh Japan, Kokuyo Marketing, Plus, and Jointex Company.

Quantifiable outcome

• Over 150 free trial applications for AI Essay Training within first month of October release
• +3 more outcomes

Named customers5 records

Segments5 records

Ideal customer profiles4 records

Technology focussed Yes

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

AI capability12 records

Feature7 records

Partnerships

Six partnerships are on record, tiered core and minor.

• Schools and Educational Institutions (schools using E-Staff)coreChannel Partner/ Reseller/ DistributorE-Staff teacher dispatch and introduction service connects qualified teaching staff to private schools, educational institutions, and municipalities. Educational institutions are both customers and distribution channel partners for recruitment services.
• Z-Kai Group (Ｚ会グループ)coreOthersEducational Network is a member of the Z-Kai Group, a well-established Japanese education company. The group provides shared brand reputation, educational content expertise, and group synergies. Group website: zkai-gr.co.jp
• OA Equipment Manufacturers (リコージャパン, コクヨマーケティング, プラス, etc.)minorChannel Partner/ Reseller/ DistributorPartnership with multiple office automation equipment manufacturers including Ricoh Japan, Kokuyo Marketing, Plus, Jointex Company, Ichimura, Aichi, and Itoki. Company acts as reseller and integrator for office equipment to educational institutions and other companies.
• Assy/ Solero Arena (ASKUL), Biznet, Smart OfficeminorChannel Partner/ Reseller/ DistributorE-commerce partners for office supplies, furniture, and stationery products sold to schools and other companies. Products available through these B2B e-commerce platforms.
• Sankei Online English Conversation (産経オンライン英才Plus)minorChannel Partner/ Reseller/ DistributorReseller partnership for online English conversation service. Service available from early morning to late night, with 5-minute booking intervals and competitive pricing, offered as in-class or home learning tool for schools.
• Japan Association of Marketing and Sales (日产協)minorOthersCompany is a member of this association which provides e-learning services including JASSA Career College used for employment training for E-Staff workers.

Scale indicators5 records

Recent moves6 records

Expansion highlights6 records

Broad incumbents

• Z-Kai (parent group): Parent Z-Kai Group provides high-end correspondence and K-12 educational services under the Z会 brand. Educational Network operates as its school-services arm, so group-wide strategy and IP flows directly affect it.
• Nippon Shuppan Hanbai (Nippan): Japan's leading textbook and educational material distributor with nationwide reach to schools, closely comparable to Educational Network's distribution model for textbooks and supplementary materials.
• Benesse Corporation: One of Japan's largest educational services conglomerates, offering K-12 content, assessments (e.g., 進研ゼミ), and school-facing services. Overlaps broadly with Educational Network's K-12 curriculum, testing, and student recruitment offerings.
• Tokyo Shoseki: Major Japanese K-12 textbook publisher and educational content provider, competing with Educational Network's printed year-round textbook and entrance exam preparation materials.

Emerging players

• Studyplus: Popular Japanese study-tracking app and content platform with millions of student users, providing a complementary digital learning touchpoint that competes for mindshare with Educational Network's Optimastudy and digital learning products.

Regional players

• Knewton / Wiley Education Services: International adaptive learning and education services provider now part of Wiley, serving as a reference point for AI-driven assessment and adaptive content products that could eventually compete with Educational Network's AI offerings.

Direct peers

• atama plus: Japanese AI-powered adaptive learning platform serving tutoring schools (juku) with diagnostic testing and personalized study plans. Direct overlap with Educational Network's AI Essay Training and assessment products in the same target customer segment.
• Will Smart: Japan-based education-focused staffing and ICT services provider that supplies teachers and operates school IT, directly comparable to Educational Network's E-Staff teacher dispatch business and school support services.
• Compass (miraicompass operator): Operator of the miraicompass internet application platform for which Educational Network is the school-facing sales agent. Direct commercial counterpart in the school admissions workflow space.
• Riso Kyoiku: Japanese private-sector operator of after-school programs, juku, and supplementary education services for municipalities and schools, directly comparable to Educational Network's learning support and managed municipal services.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat5 records

Customer concentration

• LinkedInlinkedin.com/company/%EF%BC%88%E6%A0%AA%EF%BC%89%E3%82%A8%E3%83%87%E3%83%A5%E3%82%B1%E3%83%BC%E3%82%B7%E3%83%A7%E3%83%8A%E3%83%AB%E3%83%8D%E3%83%83%E3%83%88%E3%83%AF%E3%83%BC%E3%82%AF

Compliance1 record

Revenue estimate

Valuation estimate

Number of profiles

Profiles1 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 （株）エデュケーショナルネットワーク