Construction of rural weak schools would never be neglected during the course of balanced development of compulsory education. The weak schools are especially pointed to those who are under the basic running standard, which is specifically lack of facilities, poor management, lack of good teachers and students, poor quality education and low social honor. This paper analyzes the causes leading to the formation of existing weak schools in rural areas in China= binary economic structure and social system, the key school institution, the system of low-level goverment responsible for compulsory ed...