For example, some students may be allergic to cotton or wool. If a uniform is made of wool or cotton and a student is allergic to it they may get real sick. Also, some cotton or wool is scratchy or itchy. Katey Sands School uniforms would cost too much money for some families. Some families have more than one child - that price would go way up.
Slogans sometimes make racial remarks about skin color or religion.
Some shirts carry inappropriate words, while others make fun of peoples' attitudes or the way they play sports. Other shirts promote smoking or drugs, which kids don't need. That's why I don't object to school uniforms. Another reason I want uniforms is because they keep school safe from shoot-outs. If a student walks down the hall with a big, bulky jacket, he or she just might be carrying a weapon.