It says pupils' religious beliefs should be considered, but the rights of an individual should be balanced against the whole school's interests.
Uniforms should not be so expensive that they put off poorer families, thus creating "back-door selection", and should not be limited to one supplier.
The advice has been updated following a consultation. Recent years have seen several legal challenges to school uniform rules, most controversially concerning the wearing of veils or niqabs.
Related articles:
