The smart school system comprises a tag device for transmitting information on the entrance and exit of a user, a reader device disposed for each of at least one of a building and a division zone in a building and receiving a signal from the tag device, Determines whether the user is located in the building or the division zone on the basis of the entrance time information of the building or the division zone of the user and the exit time information of the building or the division zone of the user, A management server for managing location information of the user and a terminal device for indicating the location of the user using the location information of the user. The management server stores at least one of the entry time information and the exit time information in advance.
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