Abstract: A GPS monitoring system includes a portable child wristband including a first GPS transceiver, a portable adult wristband including a second GPS transceiver in continuous communication with the first GPS transceiver, a portable electronic device in communication with each the child wristband and the adult wristband, and at least one communications network in communication with each the child wristband, adult wristband, and the portable electronic device. The portable electronic device includes a display screen, a processor in communication with each the first GPS transceiver and second GPS transceiver and the display screen, and a memory communicatively coupled to the processor. The memory includes software instructions, when executed by the processor, that monitors whether a real-time location of the child wristband relative to a real-time location of the adult wristband is within an authorized maximum distance and within at an authorized geographic location and during an authorized time period.