Jocasta Flint and Alys Gower will both be starting with her this year so would be potential friends. Her being upper class puts her in to the same circles that Jocasta is being thrust into even if her HB nature isnt ideal.

Alys likely won't meet her until school but they will be wand buddies as she is on her way to a silver lime wand too and has no reason not to be her friend.