Would this be worth a try in Fort Wayne?
An Indianapolis Public Schools task force is recommending the district adopt a policy requiring all students wear uniforms.[. . .]The proposal has different requirements at different grade levels, but generally requires khaki or dark colored pants and polo shirts for boys or skirts, pants or capri pants for girls with collared blouses.
I spent a lot of my college years arguing against behavior modification -- changing externals doesn't affect what a person is inside, is the way I saw it. But I've come to see some of its benefits. Kids who look like they belong in a school instead of at a rave might actually get more in the academic frame of mind. At least clothing would stop being a distraction.