Ursula admires power, as all intelligent, driven women do. I'd say a taste for the Head Girl's affections isn't out of the question. But currently she has something just as good.

He does seem to get angry quite often, no? Very bad for team morale. And I suppose you're feeling... confused and uncertain because the upperclassmen insist on wallpapering over their obvious disagreements with a lot of "it's fine"s and not discussing anything with the sophomores?