分层教学最早出现于美国。20世纪初,美国面对着大量移民儿童的涌入,为了教育这些背景各异的新生,教育官员认为有必要按能力和以前的学习成绩对他们进行分类(分层)。1993年美国的一项调查显示,86%的公立中学在实施分层教学,美国的“分层教学”与“小班化”教学,“主体教育”“赏识教育”相 Hierarchical teaching first appeared in the United States. Early in the twentieth century, the United States was faced with the influx of a large number of immigrant children. In order to educate these newborn students with different backgrounds, education officials considered it necessary to classify (stratify) them according to their ability and previous academic record. According to a survey conducted by the United States in 1993, 86% of public middle schools were implementing multi-level teaching, teaching in the United States and teaching in small classes, subject education, appreciation education in the United States, phase