Quote, Paraphrase, and Cittation #3

From Educationbug

Decorations, designs, mottoes, symbols, or words may not appear either on clothing or on the skin"conveying messages that are crude, vulgar, profane, violent, sexually explicit or that reference items that are illegal in general or illegal specifically for underage students, such as tobacco, alcohol, and illegal drugs, or that are connected with any secret organization or gang.

That shirts that have any references to alcohol or drugs are prohibited at school. They also may not be any reference to any secret group or gang.