崇礼县地处塞外,山峦起伏,沟壑纵横,全县95％以上的小学是复式小学,75％以上的教学班是复式班,且多为三级以上复式班。由于条件艰苦,环境恶劣,教师队伍呈“三多一少”现象:青年教师多,民办教师多,未受过师范专业训练的多,骨干教师少。多年来教学质量不高,1980年初中招生统考,我县位居张家口地区各县之末。为了改变落后面貌,我们将大面积提高复式教学质量列为一项教改实验项目,制定指标:用十年时间,使大多数复式班成绩与单式班不相上下。实验分三个阶段: Chongli County is located outside the plug, undulating hills, ravines aspect, more than 95% of the county primary school is a multi-level primary school, more than 75% of the teaching classes are double classes, and more than three classes for more than double classes. Due to the difficult conditions and the harsh environment, the team of teachers showed the phenomenon of “three more and one less”: more young teachers, more private teachers, less trained teachers and less backbone teachers. Over the years the quality of teaching is not high, junior high school entrance examination in 1980, the county at the end of Zhangjiakou counties. In order to change the backwardness, we listed the improvement of the quality of double teaching in a large scale as a pilot project of education reform. We set the target: to make most of the double-class classes compare with the single-class class in ten years. The experiment is divided into three stages: