Complainants say that the rights of girls to dignity and privacy has not been sufficiently considered

Parents, teachers and children are to sue a council unless it withdraws guidance to schools on how to handle youngsters questioning their gender identity.

The case could affect all schools as they grapple with a surge in pupils wanting to be identified as girls rather than boys and vice versa.

The advice from Oxfordshire county council’s Trans Inclusion Toolkit for Schools and Education Settings 2019 tells schools that transgender pupils may use the school lavatories and changing rooms of the gender they feel themselves to be.

Guidance for schools on trans issues has led to anger and the threat of legal action

It says “as far as possible, trans children . . . should be able to sleep in dorms appropriate to their gender identity” on school trips, and take part in PE lessons with girls or boys, depending on how