Is it fair for a school to allow T-Shirts that foster "Gays" but ban T

Question:

Is it fair for a school to allow T-Shirts that foster "Gays" but ban T-Shirts that read "Be Happy, Not Gay" ?

Best Answer - Chosen by Asker:

"Speech that attacks high-school students who are members of minority groups that have historically been oppressed, subjected to verbal and physical abuse, and made to feel inferior, serves to injure and intimidate them, as well as to damage their sense of security and interfere with their opportunity to learn," Reinhardt wrote, citing studies that say gay students suffer from feeling excluded.