Yes, rules are rules.
Lets be sure and remember this when a Muslim comes along and insists on wearing his ragtop and tribal garb on graduation day..
After all, rules are rules.
And until you can point to an instance where the school made an exception for them and not for this marine then you have nothing to complain about.
"Yes, rules are rules."
And rules can be modified. There is nothing wrong with making an exception for high school seniors who are qualified to wear a military uniform to do so at their graduation.
It's the Educrat mentality that is close minded and resistant to any challenge of it's authority that is the problem.