‘Known as’ names, and their limits
Many schools will use a ‘known as’ name day to day, in class and on less formal paperwork, while the legal name stays on the official records. Coram Children’s Legal Centre says the legal name is still the one used on school and medical records. Coram Children’s Legal Centre: changing a child’s surname
There are limits. Under a child arrangements order or a special guardianship order, a child usually can’t be known by a different surname at all without everyone’s written consent or the court’s permission. And where an informal change has already happened, the Department for Education says the school decides what to do, with the child’s best interests coming first.