This thesis presents a step-by-step development strategy to implement electronic school libraries corresponding to level 2 among 3 levels of the school library. The implementation of electronic school libraries means the transformation of school libraries into school media centers. This thesis divides the implementation of electronic school libraries into 3 steps. The first step is the implementation of facilities, the second step the implemenation of web-based information system, the third step the networking of school libraries, on the basis of the first and second steps. And this thesis presents the basic policy of educational administration aspects to support 3 steps.