I agree. It seems the reason behind the policy has nothing to do with safety or hygiene and everything to do with not wanting students to look more wealthy than other students. As long as students are modest and not distracting others, the school administrators should mind their own business. I hate the way socialism has entrenched itself in education.
School uniforms solve these problems.
Dress codes used to provide this function until the Grievance Industry and the ‘Full Employment for Tort Lawyers’ Industry got rolling.