12. The system of claim 1 wherein the controller in each of the plurality of student wireless communication devices is configured to automatically receive a data message from the instructor wireless communication device via the respective short-range communication links, the data message requiring a response, the controller in each of the plurality of student wireless communication devices being responsive to operation of the user-operable input device to enter of a response and further configured to transmit a response message, containing the response, to the instructor wireless communication device via the respective short-range communication links.
14. The system of claim 12 wherein the response message includes data identifying a student associated with the respective ones of the plurality of student wireless communication devices that transmit the response message.