First, families will spend more money than they would if they didn't have to buy uniforms. In 2000, American families spent about 1.7 billion dollars on school uniforms. Two separate outfits including: two pairs of pants, two shirts, and a sweatshirt is about $250 to buy. Since kids are constantly growing you would have to buy them more uniforms than that and you would also have to buy them clothes for outside of school so ultimately it's more expensive.
Second, School uniforms will teach an unfavorable lesson about making choices based on internal values. School uniforms teach students to try to be like everyone else. They teach them not to try to be individuals and express themselves even though everyone is different and has stuff about them that makes them unique and themselves.
Third, Students will still find a way to judge their peers. No matter what students wear they will still find a way to judge everyone. They could judge people by: hair style, hair color, height, weight, accessories. Making students wear the same clothes will not change what they think about other people. By making them wear the same clothes you're sending them the message that you can't accept each other when you are different, so let's make you all the same. Then they won't know what to do when they meet someone who is different out in the world.
In Conclusion, most people think students should wear uniforms because it will change behavior, they will do better in school, and they'll have better attendance. Researchers at Notre dame did a study about school uniforms and they didn't find any behavioral changes, attendance, or academic achievement. Therefore, I am against school uniforms because families spend more money, school uniforms will teach an