Smarts, looks, and boobs. Only one of three is not superficial.
If they don't show up for the lesson, start without them.
I don't think the artist bothered drawing the time on the clocks correctly.
If you arrive before the time is set, you're not late. Good manners of arriving early only extend so far as to being ready to start when the clock strikes.
Was he trying to apologise? That's not something you hold up class for. But that would be something to arrive early for.
Those orange juice cups look weird. They're both too uniform and too uneven, and the one at the bottom of the panel should be outside the tray.
For the refilling part, there's no moral high ground for any of the characters, just shitty behaviour all around.
Must’ve picked it up from ye local thugs. I wonder if he think it’s just a generic bad word?
He's using it as if it's a new word he picked up somewhere, so that makes sense.