DD being bothered by another child in reception

[Namerchangee]

My DD is in reception class. There are a few children in there from her pre-school. One girl in particular, who she never had issues with at pre-school, doesn’t seem to want to leave her alone. She tries to (and sometimes succeeds) take my DD into the toilet cubicle with her when she needs the toilet. She then won’t let my DD leave. She pulls her about by the arm and wrists and today was seen pinching her by the TA. My DD has said she is bossy, calls her a rat, won’t let her play wit my other child and makes comments on her appearance. I have spoken to the class teacher to seemingly no avail.

AIBU to speak directly to this child’s parents? I don’t want my little DD to have to be navigating this behaviour, especially not at her age.

With this kind of thing I find putting it in writing (email to the office, doesn't even need to be to the head) and asking for a meeting with the teacher gets movement, as you then have proof that you have raised it with them so they take it more seriously, and you get to speak to the teacher when they don't have anything else going on.

Talking to them at dropoff or pickup they must have so many conversations, I'm sure they don't intentionally forget anything but if you speak to them and then 5 minutes later a kid bangs their head and needs taking for first aid and someone's lost their jumper and it starts raining and they have to get all the kids undercover while they wait to be picked up it's hard to keep the details of each conversation in their head! (although I would hope something like this would stick, who knows though)