Yeah, I imagine she'd know Erica, Jenny, and Brody to a certain extent, being in the same house or year as them. She's generally friendly, so I don't see her having any problems with either of them, though she's TOTALLY SIDE-EYEING BRODY FOR NOT KNOWING ABOUT THE QUIDDITCH TEAM.

And Kirsten kind of fails at keeping her feelings too hidden most of the time, so her admiration for Hunter is probably obvious as hell. And Kirsten thinks of Quodpot like Chips Ahoy cookies. Sure, they taste nice enough, but it's not the same as freshly-baked cookies!