One thing kids can always be certain of: If adults hate something, it must be cool. And if schools don't allow it, it's even more irresistible. For whatever reason, hysteria at schools seemed to reach a fever pitch in the 1990s, when cultural trends became contraband in classrooms. Check out 11 fads, toys, and other items from the '90s that were once banned from schools.
1. Bart Simpson T-Shirts
