■Founded in 1937 by Yonekichi Koga
■Schools
・Ichikawa Junior High School (J1-J3)
・Ichikawa Senior High School (S1-S3)
・3 Kindergartens (K1-K3)

Founder: Yonekichi Koga

Chairman: Masaichi Koga

Principal: Syuji Oikawa




Main Campus – Buildings: Total 33,200 ㎡ / Outdoor Facilities: Total 28,900 ㎡
School Building: 26,600 ㎡
Koga Memorial Arena: 4,800 ㎡
Kunieda Memorial International Hall: 1,800 ㎡
Multipurpose Ground: 16,134 ㎡
1st Sports Ground: 25,487 ㎡
2nd Sports Ground: 15,711 ㎡
Baseball Ground: 8,216 ㎡

Global Understanding
Designated as a “Super Science High School” (SSH)1st (2009-13) , 2nd (2014-18) & 3rd (2019-23) Term
UNESCO Associated School
The World-Wide Learning (WWL) Project
Alumni Association
The number of graduates: 40,445



Junior High / Senior High School Crest
Junior High School
Senior High School


Apr.Entrance Ceremony (J/S)
June. Athletic Meet (J), Art Appreciation (J/S)
July.Summer School – Mt. Fuji (J1), Kyoto & Nara (J2) Overseas Study Program – Eton College (J3-S2), Boston (S1/S2)
Aug.Overseas Study Program – Cambridge Univ., Oxford Univ. (J3/S1), Canada (J3) Empowerment Program (S1/S2)
Sep.School Festival (J/S)
Oct.Ball Games Competition (S)
Nov.School Excursion – Singapore (J3), Okinawa (S2)
Dec.Thank The Year Concert (J/S) Winter Vacation
Jan.Admission Examinations (J/S)
Feb.Chorus Competition (J)
Mar.Overseas Study Program – New Zealand (J3/S1),
Ichikawa Academic Day (J/S)
Graduation (J/S)
Spring Vacation
These events in bold type were canceled, but several online programs are held in place of them.