抓两头、促中间常被作为班级管理的一种通用做法。然而,一“抓”、一“促”力度不同。“促”的对象往往成为班级管理中被忽视的群体。一个班级的学生状况大都呈纺锤型,即优等生和后进生占少数,中等生往往占绝大多数。而一般中等生具有较强的“隐蔽性”,他们在道德、学习等方面的表现不前不后,不左不右, Grasp the two, often to promote the middle class as a common practice management. However, a “catch” a “promote” different intensity. “Promote” the object often become class management neglected groups. Most of the students in a class showed a spindle type, that is, the top students and the backward students accounted for a minority, while the middle students often accounted for the vast majority. The average secondary students have a strong “hidden”, their moral, learning and other aspects of the performance is not backward, not left or right,