That's discrimination, the school charter specifically prohibits *unlawful* drugs and doesn't specify beyond that. Tobacco is a drug, a lawful drug for many individuals but none under 18. Marijuana is not a unlawful drug for me, there are smoking zone and nowhere there does it mandate that tobacco must be smoked...I could also legally smoke mint. If I toked up there, I don't think there's anything the school could do to me legally.