No fights about what was appropriate to wear or not. Contribute to a sense of group cohesiveness. Uniforms are only uniforms they are not capable of influencing choices. After the first year, costs are less. I have been in two schools that had school uniforms and the policy worked very well in both schools.
Uniforms are wonderful.
My children wore them before moving to Oxford and loved them. Jackson schools have had much success with school uniforms. I have hoped for uniforms in public schools. They should have considered this a long time ago. To address the issue of creativity students might be allowed to dress in their own apparel on Fridays or monthly.