Private after-school tutoring service ‘Learning Circle’ was founded (renamed Sozo Gakuen EDIC in 1989).

The starting point of the SOSHI Educational Group was a tutoring service, which was started by the founder Hiroshi Ohashi at the request of four children in his neighbourhood.
Fifteen years later, the school had grown dramatically and was teaching 5,500 students in 10 locations.

Education Research Foundation was established.

In order to satisfy wider public demand, Ohashi started establishing various educational foundations.

Bunkyo Seminar university entrance preparatory school was established (renamed 'Sogaku Seminar' in 1997).

IPC Tertiary Institute (International Pacific College) opened (renamed IPU New Zealand in 2015).

In 1987, academic leaders and educational experts, including Ohashi, gathered in Honolulu, Hawaii to discuss the concept of a tertiary educational system with a consortium of campuses in Pacific-Rim nations. The outcome was a plan to establish New Zealand’s first private tertiary international institute with boarding facilities.
In 1990, IPC Tertiary Institute (International Pacific College, renamed IPU New Zealand in 2015) was established in Palmerston North.
IPU New Zealand now has students from more than 25 countries, including non-native speakers of English, and is successfully helping them to achieve their goals at undergraduate and postgraduate levels.

Clark Memorial International High School opened.

(Kokusai Joho Gakuen Incorporated opened.)

Making use of a nationwide upper-secondary correspondence learning system, Clark High School now has 64 locations in Japan and overseas, where more than 11,000 students are learning.

Ehime Women’s College joined the group

(renamed IPU Women’s College in 2012).

Nihon College of Health and Medical Science opened.

The group established two medical specialist colleges in order to develop practitioners with the ability to heal body and mind.

Tokyo International Business College opened.

TIBC offers a forum where students from various parts of the world can deepen their international connections while striving to achieve their goals.

Fukuoka International Business College opened (renamed Tokyo International Business College Fukuoka Campus in 2012).

CLARK High School tennoji Campus opened.

International Pacific University opened.

The first university of the group started in Okayama, Japan. With ‘excellence in academic and sporting pursuits’ as the institutional core value, IPU develops educational specialists, top athletes and international students.

Soshi Gakuen High School opened.

The new addition enabled the group to offer upper secondary education in a more comprehensive manner.

Tokyo Management College joined the group.

As a college that prepares students for their career paths after two years of study, Tokyo Management College develops work-ready individuals who are skilled and qualified to meet the needs of local communities.

The 50th anniversary.

Since the establishment of a tutoring school with four children in 1966, SOSHI Educational Group has continued to address current and future challenges in education and develop individuals ready for the future, defining ‘Education as a Creative Challenge’.