Mar.19 1924 | Okayama Onji Girls' High School established |
Jun.14 1937 | Harada Foundation School established |
Jun.14 1937 | Sanyo Technical School (Engineering Works Department) established |
Mar.28 1940 | The second Engineering Works Course introduced |
Mar.20 1944 | Okayama Prefecture Onji Girls' Business High School established |
Mar.20 1946 | Okayama Prefecture Onji Girls' Arts High School established |
Mar.31 1946 | Construction Department was installed at Sanyo Technical High School |
Mar.31 1947 | Okayama Prefecture Sanyo Junior High School and Okayama Onji Junior High School were built and then integrated after several years. |
Apr.1 1948 | Unification of Sanyo Technical Sanyo, Okayama Onji Girls' High School, and Okayama Onji Arts High School, which also included Engineering Works Department, Construction and Ordinary classes |
Dec.5 1950 | Harada Gakuen scholastic institute established |
Apr.1 1952 | Commercial Arts Department was established at Okayama Onji High School |
Sep.1 1953 | School name was changed to Okayama Prefecture Sanyo High School |
Apr.1 1968 | Commercial Arts Department changed into Industry Management Department |
Mar.16 1984 | Attestation of automobile maintenance enterprise was received |
Mar.30 1984 | Sanyo Dental Hygiene Polytechnic founded |
Aug.6 1984 | Sanyo High School became the sister school of South Korean Seoul Technical High School |
Mar.28 1985 | Automobile Department of Sanyo High School was classified as a 1st class training center |
Apr.1 1985 | An automobile course was established in the Industry Management Department |
Feb.10 1986 | Chef training institution classification given |
Apr.1 1986 | The Automobile Department was established as part of the Industry Management Department |
Apr.1 1986 | The Cooking Department was established at Sanyo High School |
Nov.4 1986 | Okayama Automobile Vocational School established (sister school) |
Apr.1 1990 | Automobile Department of Sanyo High School was classified as a 1st class of moter cycle service training center |
Apr.1 1990 | The Electronic Machines Department was established at Sanyo High School |
Mar.31 1992 | The Industry Management Department was abolished |
Apr.1 1992 | The Department of Ordinary Class was upgraded for university entrance established |
Apr.1 1996 | Music Cultivation course, Sports Course, and Government Official and Employment Course established |
Apr.1 1998 | The Manufacturing Technique Department established |
Mar.31 2000 | Electronic Machines Department abolished |
Apr.1 2000 | School name changed to Okayama Sanyo High School Machine Production Department established |
May.31 2002 | A cottage called "Nobirusansou" at Mt. Hiruzen was built and inaugurated |
Feb.14 2003 | "Chiin Dormitory" (a dormitory for the baseball club with 40 rooms) was inaugurated |
Apr.1 2003 | Confectionery studio called “Le futur" completed |
Aug.24 2003 | Soccer ground and Athletic field inaugurated in Yorishima town |
Oct.6 2003 | A statue wall painting called "Kankakusarerubekimono", which means, "Things that are sensed" completed |
Oct.26 2003 | The 80th Anniversary hall called "Hifumien" built |
Nov.7 2003 | 80th anniversary ceremony for the school's foundation held |