Can a school impose dress codes and grooming requirements?
In general, the courts have found that grooming requirements are a reasonable way for school authorities to teach hygiene, instill discipline, and compel uniformity. While students are under the control of school authorities, the students may be required to follow certain grooming and dress code rules. Seek the advice of an attorney if you believe the requirements in your community are overly restrictive for attending public school.
Some courts have upheld school policies that require students to wear designated uniforms and not to wear low-necked dresses or immodest styles of dress. Generally, the regulations must promote orderly conduct of the educational process and must not be arbitrarily applied.