在美国,中小学不以升学率的高低为衡量教学质量优劣的标准,也不急于向学生灌输大量知识,尤其不注重需要记忆的知识。为了适应这种教学目的的变化,美国许多学校开始拥有所谓“开放式”教室,即教室墙壁可以活动安装,既适应班级大小的调整,又可以满足不同使用功能和课程内容的需要 In the United States, primary and secondary schools do not regard the level of school attendance as a measure of the quality of teaching, nor are they in a hurry to inculcate a lot of knowledge in students, especially those who need to remember. In order to adapt to this change in teaching objectives, many schools in the United States began to have so-called “open-ended” classrooms, that is, classroom walls can be installed and installed to accommodate the adjustment of class sizes and to meet the needs of different functions and curriculum content.