Most of the members of the ' live in the ' on Hiller Street. The boys are separated into so-called ' rather than school classes. Each ' is not only a sleeping room, but also an administrative entity with a closed hierarchy and a clear assignment of tasks. One or more older choir boys live with the younger ones in each ' in order to create a hierarchy and didactic relationship. Hence, the upbringing in the Thomanerchor is provided primarily by the older members, and the educators play a smaller role. Therefore, it is possible to have 90 boys living under one roof, supervised by only five educators. The ' are redistributed every year in order to maintain the age groupings and also to influence the social order in the "".