Karen is informed by owl that she's a prefect. She writes her friends about that, of course.
"Maybe less time? He could play them off one another or something? Nah, by that logic he should rule Britain already."
"Compared to everyone going direct to Hogwarts. Going to London first only helps if it's closer. If you live in Hogsmeade, say, it's dumb."
"I don't actually know any of the Muggleborns in our year well, I think a couple of the Ravenclaw girls are but don't ask me where they're from."
There is one more firstie Slytherin girl than sixth year Slytherin girl, so Miranda says she'll pick up a new firstie - Stoller will just have to share - and maybe one won't want a mentor or somebody else will take a pair or a boy will chip in or something.
Welcome to Hogwarts, firsties, what are you excited about, are you related to anyone we know...