I flew by myself under the age of 10 several times. He is almost old enough to drink alcohol, so he's way old enough to fly, not to mention once he's on the plane, he's under the supervision of the flight crew. The problem to me seems the extreme punishment for possession of a small amount of alcohol I'm sure it would have been a better learning moment if he had been admonished and allowed to continue on the trip his parents paid for if he agreed not to break any more rules. Now the parents (and he) are at odds with the school which is not a good ending to the story.
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