| Gyosei Junior and Senior High School | |
| Motto: | 十全為始 隨之而美 |
| Location: | Tokyo |
| Country: | Japan |
| Opened: | 1888 |
| Type: | Private |
| Gender: | Boys |
| Religion: | Roman Catholic |
| Lower Age: | 12 |
| Upper Age: | 18 |
| Principal: | Masaki Ida (飯田雅章) |
is a private Catholic junior and senior high school for boys in Fujimi, Chiyoda, Tokyo.[1] Founded in 1888,[2] it is regarded as one of the country's most prestigious private schools.[3] [4] It is part of a family of Catholic schools administered by the Gyosei Gakuen Educational Association which includes a kindergarten and elementary school.
After Pierre-Marie Osouf became the new Bishop of Tokyo, he convinced the Society of Mary (Marianists) that there was a need for Catholic schools in Japan.[5] The order responded generously and sent American and French missionaries, who founded Gyosei High School in Tsukiji, Tokyo in 1888.[6] The school was affected by the devastating 1923 Great Kantō earthquake and then World War II some twenty years later. It later moved to its (as of 2002) present location in (九段), Tokyo.[7]
The high school is the oldest of a family of schools located within walking distance of each other and includes a coeducational kindergarten (opened 1969)[8] and all-boys elementary school founded in 1890, thus providing a comprehensive education for boys from ages 3 to 18.[9] It has a special relationship with the Jesuit-run Sophia University: Gyosei High School graduates often continue on to Sophia University and it recruits religious studies teachers from the university.
Saint Joseph College in Yokohama was founded as a division of Gyosei High School before becoming a separately-run international school. It has since closed amidst much controversy.[10]
In 1979 Gyosei International School was opened as the sister school to cater to the expatriate population. It is administered separately from Gyosei Gakuen.
French and English are the main foreign languages taught, the former having been taught at the school since its foundation.[11] For a period of time, the French Baccalauréat was offered.