Godmother - Kyobo

...Children live in a cottage system, where they receive education in daily life, in the school within the institution, and in work. The staff who provide guidance in the cottage are called "kyogo" or "kyomyo," and it has been a tradition since the home school that husband and wife provide guidance as if the cottage were a home, and this was one of the characteristics of education in the reformatory. However, in consideration of the excessive workload of staff, shift systems, large cottage systems, and centralized management methods have been introduced, and the cottage system for husband and wife is collapsing in many facilities....

*Some of the terminology explanations that mention "godmother" are listed below.

Source | Heibonsha World Encyclopedia 2nd Edition | Information

…児童は小舎制cottage systemで生活し，暮しの教育，院内の学校での学ぶ教育，働く教育を受けている。小舎で指導にあたる職員を教護，教母と呼び，小舎が家庭であるかのごとく夫婦で指導するのが，家庭学校以来の伝統であり，教護院教育の特色の一つであった。しかし，職員の労働過重等への配慮から，交替制，大舎制，集中管理方式等が導入され，夫婦小舎制が崩壊しつつある施設が多い。…

※「教母」について言及している用語解説の一部を掲載しています。

出典｜株式会社平凡社世界大百科事典 第２版について | 情報