Unless it wasn't a student.

A bezoar is a stone taken from the stomach of a goat and it will save you from most poisons.

Bit of a nasty shock for him when he found out.

Look, everyone. Weasley's got himself a Howler.

Now, can anybody tell me what a boggart looks like?

An Animagus is a wizard who elects to turn into an animal.

We don't even know this Tom Riddle. He sounds like a dirty, rotten snitch.

"Enemies of the Heir, beware."

That's not just a broomstick, Harry, it's a Nimbus 2000!

...of Witch Weekly's Most-Charming-Smile Award.

A sorry lot, this, Hagrid.

We've looked a hundred times!

Red hair and a hand-me-down robe? You must be a Weasley.

To Miss Hermione Granger, for the cool use of intellect...

powerful it is known as the Draught of the Living Dead.

The werewolf only responds to the call of its own kind.

...brew glory and even put a stopper in death.

It's all right, sweetheart. We'll get you out of these cold clothes.

Parvati Patil said that she wouldn't come out of the girl's bathroom.

Second, to Mr. Ronald Weasley, for the best-played game of chess...