I'd contact school and ask them how they intend to address it.
Personally I like to start these conversations away from Send and start looking at everyday situations.
So "hands up if someone helped you brush your teeth this morning. Brush your hair, cut your dinner"
Ok, hands up if you can brush teeth alone. Brush hair. Etc
Another good one is reaching stuff off shelves to point out varying heights is normal.
Why do we think some people have help?
Get children to recognise for themselves others find somethings easier than others.
End with. Just like at home, or in a shop or at your swimming lesson etc some people find some things easier than others.
Sometimes children will get help that others won't need for some things.
X child finds writing difficult so they will use an iPad. It's not a toy and you won't be able to play on it. And there will be consequences for anyone who is heard to be talking negatively about it or to X directly.
Then change subject.
Difference is fine to be considered - but it shouldn't be seen as an anomaly or an issue. Because everyone is unique in their own way.