The journey from New York City to Orlando by plane was about two hours and thirty minutes, and when the students arrived at the airport, busses were waiting to take them to their assigned destination.

While they were on the bus, the head teacher supervising the students received a call from the school which he picked up almost immediately.

"What do you mean?" He gasped loudly and turned to look at the students that were playing, talking, and laughing.

"Listen, everyone!" He stood up after he had dropped the call and walked to the middle.

"Switch off your phone, right now!" He ordered.

"What?!" the students chorused with a confused...