School system is part of the educational system and should be focused in education governance.However,when one uses philosophical,logical and pragmatic methods of analysis to delve into signified( 所指) and signifier( 能指) in the wordschool system,one finds it a misused term. The misuse has not only led to a misunderstanding of its essence,but has also led to an unlimited extension of its denotation. Therefore,one should reexaminedifférancewhich made school system unrecognized,try to find the place where it sh...