To answer some questions...
I had about 20oz of vodka on me and I was intoxication. The formal charges are "possession of an illegal substance on school grounds" and "intoxication on school grounds".
The suspension is 5 days, plus a superintendant's hearing on Friday to decide if the suspension should be longer. (But I doubt it will be extended, as I have no prior record.)
But why did you do it?
If you can't answer that question, even to yourself, you would be well advised to seek the help of a professional therapist; or at least talk with a counsilor and do some serious introspection.
Bringing alcohol to school is a sign of a serious lapse in judgement. Having been caught may not have been a whole lot of fun, but if you take a serious look at your life, seek help to correct whatever problems you are facing, and get your (stuff) together, it may be for the best.
Lying or making up excuses, like a few have said, won't help anything. If you get caught, your punishment will be worse. If you don't get caught, then you may not get the help you need to remedy this self-destructive behavior.