1987年，在党和政府的关心下，建国以来首次中小学教师职称开始评聘，不少教育教学的骨干均评上高级教师，他们在第一线做出厂较大的贡献。如今，当年评上高级职称的教师已发生广较大的变化。根据笔者对不同类型的两所中学（简称A、B两校）进行调查，这种变化主要有以下几种类 In 1987, under the care of the party and the government, since the founding of the People’s Republic of China, the first titles of middle and primary school teachers began to be hired. Many of the backbones of education and teaching have been rated as senior teachers. They have made great contributions to the factory in the front line. Nowadays, teachers who have senior titles in the past have undergone major changes. According to the author’s investigation of two types of middle schools (abbreviated as A and B), this change mainly includes the following types: