This invention is a communication control system which includes a monitoring terminal held by each of a plurality of persons to be monitored and an information managing apparatus for managing position information on the monitor terminal. The monitor terminal has a position information obtaining unit for obtaining geographical position information, a group setting unit for setting a group of monitor terminals of persons to be monitored who are allowed to be mutually grouped, and a first transmitting unit for transmitting the obtained position information and group setting information to the information managing apparatus. The information managing apparatus has a first receiving unit for receiving the position information and the group setting information, a management information storing unit for storing attribute information on the person to be monitored and a condition for determining a monitor level of the person to be monitored, a mutual distance recognizing unit for calculating a distance between the monitor terminals from the position information, and a monitor level determining unit for determining the present monitor level based on the calculated distance, the attribute information, and the monitor level determination condition.