Seisa Group

What Seisa Group does

Seisa Group is a Japanese private school corporation (学校法人国際学園 / Kokusai Gakuen) operating a network of accredited correspondence high schools, junior high schools, and universities under a philosophy of "schools should adapt to students." Its flagship SEISA Kokusai High School is a distance-learning high school system with 30 physically recognized schooling sites (スクリング会場) nationwide — the highest number among Japanese correspondence high schools, spanning Hokkaido to Okinawa. The group serves a diverse student body of approximately 6,000+ students across its programs, including non-traditional learners, elite athletes (in speed skating, fencing, figure skating, table tennis, and other sports), and students pursuing arts and international exchange opportunities. The portfolio is anchored by SEISA Kokusai High School, SEISA High School, SEISA Junior High School, SEISA University, and SEISA Dohto University, supplemented by the Shinseiza theater group and FM Shonan Magic Wave broadcasting subsidiary.

The group's core technology is a hybrid education platform combining online learning (星槎オンライン学習) — delivered via YouTube channels, live streaming, on-demand video, and a web portal — with in-person schooling at its 30 accredited campus sites. The online platform integrates content from JAXA (space education), the National Institute of Japanese Literature archives, and SEISA's own journal. Specialized programs include the Speed Skating Elite Academy (partnership with Japan Skating Federation), a Sports Individualized Education Plan (IEP) for athlete scheduling flexibility, the annual SEISA Olympics multi-category competition (sports, e-sports, literature, music, cooking, traditional games), and the SEISA Africa Asia Bridge (SAAB) international exchange program, which is now a registered UNESCO 75th Anniversary commemorative project.

The business model is tuition-based with annual billing across enrolled high school and university students, supplemented by specialized Elite Academy program fees, a multi-year donation campaign (300 million yen target, July 2025 to June 2030) for facility development, and partnership-driven program extensions. Go-to-market is direct-to-consumer via the group's website, campus-based enrollment, and information sessions. The group also operates the 星槎全国会 (SEISA National Association) — a four-pillar community network (Student Council, Alumni Association, Parent Association, Graduate Parent Association) — which functions as a primary referral channel. Notable partners include JAXA, Japan Skating Federation, Japan Fencing Federation, Yokohama City, UNDP, UNOSAA, JICA Yokohama, and DeNA Kawasaki Brave Thunders. Revenue figures are not publicly disclosed.

Name

Seisa Group

Legal name

学校法人国際学園 (Kokusai Gakuen)

Website

https://seisagroup.jp

Company type

Private

Founded year

1972

Operating status

Operating

Headcount range

1,001–5,000 employees

Short description

Seisa Group is a Japanese school corporation (Kokusai Gakuen) operating accredited correspondence high schools and universities with 30 campus sites nationwide — the highest in Japan — serving approximately 6,000+ students, including elite athletes, through a hybrid online and in-person learning model.

Ownership category

akta.pro rank

Product category

Private Education / Correspondence High School

NAICS

Educational Services (611), Educational Support Services (611710), Colleges, Universities, and Professional Schools (6113), All Other Schools and Instruction (61169)

SIC

Services-Educational Services (8200)

akta.pro primary industry

Student Safety, Wellbeing & SEL Technology (Monitoring, Reporting) (EDAJAMAJ)

Keywords

• Distance learning education
• Correspondence high school
• Private school education
• International exchange programs
• Elite athlete education

Headquarters

HQ city

Yokohama

HQ country

Japan

HQ region

Asia

Offices7 records

Markets served

GTM type

B2C

Offering type

Services

Cost components

Personnel, Operations, Infrastructure, Marketing or Sales, Technology or R&D

Revenue model

1. Tuition and School Fees: Primary revenue from tuition fees charged to enrolled students at SEISA International High School, SEISA High School, SEISA Junior High School, and SEISA University. The group operates as a school corporation (学校法人国際学園) offering accredited secondary and higher education programs.
2. Donations and Fundraising: 星槎教育環境整備事業資金 (SEISA Education Environment Development Fund) with a target of 300 million yen (3億円), collected from students, graduates, parents, and supporters from July 2025 to June 2030. Accepts donations via postal transfer, bank transfer, and credit card.
3. Elite Academy Programs: Specialized sports programs including Speed Skating Elite Academy and Fencing Elite Academy, providing structured athletic training alongside academic studies for aspiring professional athletes.

Pricing tiers

Go-to-market motion1 record

Distribution channels3 records

Marketing channels8 records

Core offering

Seisa Group is a private Japanese educational corporation (学校法人国際学園) that delivers accredited secondary and higher education primarily through SEISA Kokusai High School, a distance/correspondence high school with 30 officially recognized learning centers nationwide—the largest such network in Japan. The group sells tuition-based enrollment in secondary, junior high, and university programs, supplemented by specialized sports academies (Speed Skating, Fencing Elite Academies), international exchange festivals (SEISA Africa Asia Bridge), and online learning content.

Product overview

Seisa Group operates a comprehensive educational ecosystem centered on 星槎国際高等学校 (SEISA Kokusai High School), a distance/correspondence high school with 30 nationally distributed learning centers - the largest number of officially recognized schooling sites in Japan. The portfolio includes 星槎大学 (SEISA University), 星槎オンライン学習 online learning platform with YouTube channels and JAXA partnership content, 星槎オリンピック multi-category annual competitions (sports, creative, e-sports, literature), SEISA Africa Asia Bridge international exchange festivals, 受験対策ゼミ exam preparation seminars, and 星槎全国移動美術展 traveling art exhibitions supervised by international artists. The group emphasizes 'school that adapts to students' philosophy, supporting diverse learners including elite athletes, artists, and those seeking alternative education paths.

Differentiator

Problem solved

Functional benefit

Brands

• SEISA Africa Asia Bridge (SAAB): International exchange festival connecting Japan with Africa and Asia, promoting SDG awareness and cross-cultural understanding among youth. Started in 2015.
• SEISA Olympics
• 星槎全国会 (SEISA National Association)

Products and services

• SEISA Kokusai High School (星槎国際高等学校) A distance/correspondence high school offering accredited secondary education through 30 officially recognized learning centers (schooling sites) nationwide in Japan—the highest number for a correspondence high school system in Japan. Provides flexible education for athlete students, arts students, those seeking alternative learning paths, and includes specialized sports academy programs and e-sports courses.
• SEISA University (星槎大学) A university offering undergraduate and graduate programs with guest lecturer series, international exchange opportunities, and integration with the broader SEISA educational network. Includes agreement with Yokohama City on employment promotion and support for people with disabilities.
• SEISA Gakuen (星槎学園)

Quantifiable outcome

• Olympic medals: Silver in Beijing 2022 (figure skating) and Milan-Cortina 2026 (figure skating) — Yuma Kagiyama
• +4 more outcomes

Named customers2 records

Segments3 records

Ideal customer profiles3 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Integration4 records

Feature4 records

Partnerships

13 partnerships are on record, tiered core and minor.

• Kawasaki Brave Thunders (川崎ブレイブサンダース)coreStrategic or Co-development Partner · 11 June 2026Basketball team (DeNA Kawasaki) signed an education partnership agreement with SEISA High School Communication Course to support youth athletes in balancing competitive basketball with academic studies. The partnership aims to provide comprehensive support for student-athletes'竞技 and educational development.
• Yokohama City International BureaucoreStrategic or Co-development Partner · 15 November 2025Co-host of SEISA Africa Asia Bridge 2025 (11th edition). Yokohama City International Bureau served as co-organizer for this international exchange event, which connected Japanese students with peers from Africa and Asia under the theme '知繋 (Chkei) - To Know and To be Connected'. The event drew 10,593 participants.
• Cabinet Secretariat Expo International Exchange ProgramcoreStrategic or Co-development Partner · 15 November 2025SEISA Africa Asia Bridge 2025 received official support from the Cabinet Secretariat's 'Expo International Exchange Program', facilitating Japan's participation in international cultural and educational exchange initiatives.
• UNDP (United Nations Development Programme)coreStrategic or Co-development Partner · 1 January 2025UNDP Japan office participates in SEISA Africa Asia Bridge events, contributing speakers and support for the international exchange program's SDG-related activities. The UNDP Administrator's representative attended SAAB 2025 opening ceremony.
• UNOSAA (United Nations Office for South-South Cooperation)coreStrategic or Co-development Partner · 1 January 2025UNOSAA contributed policy, monitoring, and advocacy perspectives to SEISA Africa Asia Bridge 2025, supporting the program's alignment with UN Sustainable Development Goals and South-South cooperation frameworks.
• JICA YokohamaminorStrategic or Co-development Partner · 1 January 2025JICA Yokohama participated in SEISA Africa Asia Bridge as a partner organization supporting international development education and cross-cultural exchange activities.
• Multiple African and Asian Embassies in JapancoreStrategic or Co-development Partner · 1 January 2025SAAB events involve participation and support from multiple African and Asian embassies, including Eritrea and others, who contribute speakers, cultural content, and diplomatic support to the international exchange program.
• Japan Skating Federation (公益社団法人日本スケー卜連合)coreStrategic or Co-development Partner · 1 April 2021Official partnership to establish Speed Skating Elite Academy programs at SEISA Kokusai High School Obihiro. The federation jointly develops athletic training programs and provides access to national team-level coaching and facilities, creating pathways for students to become elite speed skaters while completing high school education.
• Yokohama CitycoreStrategic or Co-development Partner · 30 March 2021Agreement on employment promotion and support for people with disabilities signed between Yokohama City and SEISA University, supporting employment outcomes for students with disabilities.
• Tokachi e-Sports Project / Tokachi ICT ParkminorStrategic or Co-development Partner · 1 January 2021SEISA Kokusai Obihiro leads the Tokachi e-Sports Project, a regional initiative to promote e-sports in Tokachi, Hokkaido, and support the establishment of e-sports clubs at elementary, junior high, and high schools across the region.
• JAXA (Japan Aerospace Exploration Agency)coreStrategic or Co-development Partner · 1 January 2020SEISA Group has an educational partnership agreement with JAXA for space education content. JAXA provides space-related learning materials and programs accessible to all SEISA students, integrating aerospace education into the broader curriculum under the theme of '宇宙から心まで' (from space to the heart).
• National Institute of Japanese Literature (国文学研究資料館)minorStrategic or Co-development Partner · 1 January 2020Partnership to provide access to Japanese literature archives and historical documents for educational purposes. SEISA students use these materials for research projects, particularly through the 眞山青果 study program connected to the theater group Shinseisakuza.
• Bhutanese Educational InstitutionsminorStrategic or Co-development Partner · 1 January 2020SEISA has maintained a 40-year relationship with the Kingdom of Bhutan, including student exchanges, educational collaborations, and cultural programs. Two Bhutanese students completed their studies at SEISA and left with tears and smiles.

Scale indicators12 records

Recent moves11 records

Expansion highlights6 records

Broad incumbents

• Benesse Corporation: Major Japanese education conglomerate (Kodomo Challenge, 市進, correspondence programs) with much broader scale. Comparable in providing educational services to families across life stages, though serving different student segments at much larger scope.
• CASTLE Inc. (トライグループ / Trygroup): Operates correspondence high school programs (Try correspondence course) along with cram school and household tutoring. Comparable to SEISA in distance learning segment but with a stronger supplementary test-prep orientation rather than diversified programming.
• Nippon Sport Science University (日本体育大学): Japan's premier sports-focused university serving elite athletes. Comparable to SEISA's Elite Academy model in serving student-athletes balancing competition with academics, though at the university level and with stronger sports federations ties.
• Tama Art University / Digital Hollywood University: Specialized Japanese universities serving non-traditional and creative-learner segments similar to SEISA University. Comparable in focusing on niche student populations (artists, digital content creators, age-diverse learners) rather than traditional university positioning.
• Waseda University Correspondence Course (早稲田大学 通信教育課程): Distance university program at one of Japan's top universities, providing accredited degrees via distance learning. Comparable in offering credentialed education through correspondence, with much stronger brand prestige but less flexible student support.

Others

• Kumon (公文教育研究会): Japan's largest supplemental education franchise serving K-12 students. Comparable not as a direct education provider but as an ecosystem player serving Japanese families with structured learning support; competes for the same family-time and discretionary learning spend.

Direct peers

• Z-Kai Group (Z会グループ): Established correspondence education provider offering correspondence high school, university entrance prep, and supplemental learning. Comparable to SEISA in servicing distance learners with rigorous academic positioning and supplementary study materials.
• Kadokawa Dwango Educational (N High School / N高等学校): Japan's largest correspondence high school, operated as part of the Kadokawa Group. Directly competes with SEISA Kokusai High School in the correspondence/distance learning segment with a tech-platform-led hybrid model serving similar non-traditional learner segments.
• Will Academy (代々木アニメーション学院 / Will Group): Correspondence high school with specialized tracks including performing arts, sports, and anime - similar differentiated programming approach to SEISA's Elite Academies and multi-category SEISA Olympics. Targets non-traditional learners across Japan.

Emerging players

• Asahi Net / Risu Tappuri (株式会社朝日ネット): Operates correspondence high school programming in Japan using pure-online technology delivery. Compared to SEISA, offers a more streamlined digital experience without extensive physical campus infrastructure, representing a pure-online competitive model.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat5 records

Key risks6 records

Key highlights7 records

Customer concentration

• Instagraminstagram.com/seisa_seitokai_dousoukai

Compliance2 records

Revenue estimate

Valuation estimate

Number of profiles

Profiles5 records

Subsidiaries6 records

Funding overview

Funding rounds

Investors

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M&A

Investments

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Frequently asked questions about Seisa Group