Muslim girls who wear the hijab to primary school will be asked why they wear it by inspectors.
The reasons given will then be recorded in school reports, amid concerns girls are being forced to wear the headscarf by their parents.
Amanda Spielman, the chief inspector of schools, announced the move on Sunday.
She said schools could be in breach of equality laws if they only require girls to wear religious garments.
There were also concerns wearing the hijab at such an age could be seen to be sexualising young girls, as they are traditionally worn by young women after puberty as a sign of modesty in the presence of men. [The Independent] Read more