We are developing CMS that can do e-learning even in the scale at the elementary schools, junior high schools and high schools level, and this system can be introduced without efficient hardware and complex operation work. User's miscellaneous function is located and developed with an important function in development. In this research, the relation between the decided number of teaching materials and the level of the teaching material is modeled from a condition necessary for making the study plan. The parameter and the condition of the model describe whether a constant relation consists. As for developed CMS, it is scheduled to open it to the public as open source based on GPL with the teaching material made when developing when it reaches constant completion.
