Step child told to self isolate

[NoodleNooNoo]

Hi All, apologies if this has already been asked a thousand times but I couldnt find an answer. My step daughter has been told she has to self isolate as someone in her class has tested positive. Is she still allowed to come to us or does she have to stay at her Mums for 10 days even if she tests negative? Her brothers are also due to come to us in the week and I assume there is no issue with that. The guidance is so confusing

Children are allowed to go between the two parents households.

Are you in England? If so, it's up to the parents to sort out. If possible she'll isolate wherever she is, but she can come to you if the parents prefer.

Extract below from here: commonslibrary.parliament.uk/research-briefings/cbp-8901/

2.1 Can children move between the homes of separated
parents (UK)?

National lockdown: Stay at home guidance for England was published on 4 January 2021. This states that individuals may not leave or be outside their home except when
they have a “reasonable excuse”. A “reasonable excuse” includes continuing “existing arrangements for contact between parents and children where they live apart”.

In response to the initial UK Government guidance issued in March 2020, the President of the Family Division of the High Court (England and Wales) noted that the guidance does not mean that children must move between homes, the decision being one for parents to take after assessing their circumstances (bold original):
Government guidance issued alongside the Stay at Home Rules on 23rd March deals specifically with child contact arrangements. It says:
“Where parents do not live in the same household, children under 18 can be moved between their parents’ homes.”
This establishes an exception to the mandatory ‘stay at home’ requirement; it does not, however, mean that children must be moved between homes. The decision
whether a child is to move between parental homes is for the child’s parents to make after a sensible assessment of the circumstances, including the child’s present health,
the risk of infection and the presence of any recognised vulnerable individuals in one household or the other.

Up to the parents. I'd personally say it should be up to you as you will be the one's exposing yourself to any risk.