Educational balance refers to the ideal that educational organizations and people who receive education enjoy equal treatment in educational activities under the thought of fair education and principle of educational equity, and the educational policy as well as legal system that guarantee its actual operations. The essence of balanced education development is to pursue educational equity and realize fair education. In terms of macroanalysis, it is the balance of educational supply and demand. In terms of mesoanalysis, it is the balance of educational resource disposition. In terms of microanalysis, it is the balance of school teaching processes, including the balance of the internal curriculum teaching resource disposition, and the balance of educational results as well as educational evaluation. Balanced education development is a historical category, which can be divided into four stages according to its achievement level. It is of great actual significance to establish the balancing index of fundamental educational development, especially the compulsory educational development, which is suitable for our national conditions and realities, to scientifically select the elements and to clarify the target of fundamental balanced education development. The data analysis indicates that the balancing index of our fundamental education in China is approaching this balance.