| Term | Month | School Events |
| 1 | April | Entrance Ceremony |
| Opening Ceremony | ||
| Student Council Orientation | ||
| May | Anniversary of School Founding | |
| Mid-Term Examination | ||
| School Excursion | ||
| Orientation Camp | ||
| PTA assembly | ||
| International Understanding Seminar | ||
| June | Prefectural Athletic Competition | |
| School Festival | ||
| 12th Graders' Career Guidance Information Meeting | ||
| July | Term Examination | |
| Interclass Sporting Competition | ||
| Closing Ceremony | ||
| International Exchange Workshop (10th Graders, International Course) |
||
| Academic Camp (12th Graders) | ||
| August | Overseas Language Training in New Zealand (11th Graders, Ordinary Course) |
|
| A-Bomb Memorial Service | ||
| Summer Supplementary Lessons | ||
| Academic Trip to Korea | ||
| 2 |
Opening Ceremony | |
| September | Sports Days | |
| Junior High School Students' Trial Entrance | ||
| October | Mid-Term Examination | |
| International Understanding Seminar | ||
| Overseas Trip to Australia (11th Graders, International Course) |
||
| November | Prefectural Cultural Festival | |
| Career Guidance Information Meeting (10th and 11th Graders) |
||
| Speech Contest in English | ||
| December | Term Examination | |
| School Trip (11th Graders, Ordinary Course) | ||
| Closing Ceremony | ||
| 3 |
January | Opening Ceremony |
| Entrance Examination for Junior High School Students(1st Round) | ||
| Chorus Competition | ||
| February | International Understanding Seminar | |
| March | Graduation Ceremony | |
| Final Examination | ||
| Entrance Examination for Junior High School Students (2nd and 3rd Round) | ||
| Closing Ceremony | ||
| Overseas language Training (10th Graders, International Course) |
