・Visit of students from St. Johnsbury Academy, Vermont, U.S.A (sister school).
・Reception for New Students
|・Join the samurai parade and the “battles of Kawanakajima”
・Okitama District High School Sports Festival
|・School grade event
・Yamagata Prefecture High School Sports Festival
・Home Room activity（Reading debate）
・Alumni Association AGM
・Mid-semester in-house tests
・The Yamagata Prefectural Qualifying Championship for Japanese High School Baseball.
・KUNORI Global Awareness Event.
・Summer holidays(26 July～21 Aug.)
・Open School (for junior high school students)
|・National High School Sports Festival
・School Festival (KUNORI SAI)
|・Okitama District High School Sports Festival for first and second graders.
・Kunori Gakuen Foundation Day
・Student Council Elections
・End of Term Ceremony
・Yamagata Prefecture High School Cultural Festival
・Kunori Sports Festival
・Student council meeting
|・School Trip for Second-Year Students
(Domestic trips / Trip to Hawaii / Trip to Australia)
・Winter holidays(23 Dec.～9 Jan.)
|・Entrance Examination Based on Recommendation
・Ogura Hyakunin Isshu Karuta competition
(Traditional card game of Japan, using 100 tanka poems)
・Routine test for Third-Year Students
・Entrance Examination for New Students
|・Uesugi Snow Lantern Festival
|・Farewell Event for Graduating Students (Organized by first and second grade students)