Your daughter must first go online and read the schools anti bullying policy. She needs to be able to quote it back to them.
A paper trail must be created so email contact is preferable to the phone.
The school must be made aware of all incidents no matter how small.
Do not let go of this.
Bullying has to be stopped, I know from experience.
The school often will brush everything under the carpet and no parent wants to face up to the fact their child is a bully.
Angela Rayner lashes out and calls Sunak “pint sized loser”.