homeroom
noun [countable, uncountable] (North American English)a room in a school where students go at the beginning of each school day, so that teachers can check who is in school; the time spent in this room 进行课前点名的教室；课前点名教室集合时间 Homeroom lasts for ten minutes. 自习室持续十分钟。
Oxford Collocations DictionaryHomeroom is used before these nouns:- teacher