This is a complex and evolving topic, and our understanding is moving on all the time.
While we can't give a steer on individual cases, here we set out the essential rules your school leaders should follow and some considerations to have in mind. It's likely they'll also need to seek legal advice on more complex situations (see more below).
Note on terminology 'Trans' is an umbrella term describing people “whose gender is not the same as, or does not sit comfortably with, the sex they were assigned at birth”. The DfE does not use the term 'transgender' or 'trans' with respect to children, due to the current legal framework; we use it here to reflect the language often used within the sector and among those who represent the affected