It doesn't matter why they wore the kilts. They were sent home for wearing a kilt.
If a girl was sent home for wearing pants, would there be women in pants questioning the reason the girls wore the pants? No. There would be a friggin' riot!
How many time have we heard a story silimar to these boys' story?
No kilts at work!
No kilts at school!
Is there a good reason to dictate only half a population's garb?
This anti-men sentiment going on in our culture has got to be stopped on all fronts. Clothing is an important front.