Timeline?
Okay, so Halloweentown 2 ends on Halloween night.
Then Marnie gets summoned to the Halloweentown council for opening the portal in Halloweentown 2. But did they wait a full year to question her about it? Apparently it's been a full year because Halloweentown High is just before the next Halloween. Did they really wait a full year to talk to her about ripping a gaping hole in the fabric of reality?