Question

Which sentence states the central idea of the passage?

School uniform policies are unpopular but effective solutions to reducing
disciplinary problems and improving academic achievement.
School uniform policies differ from dress code policies, which merely put
limitations on what students can and cannot wear.
Further research is needed to prove that the benefits of school uniform policies
outweigh the costs.
There are significant financial costs associated with school uniform policies that
administrators often disregard.

Answer 1

I think the central idea is, school uniform policies.

Step-by-step explanation:

I hope that helps.