Hogwarts teacher definitely shipped their students
Dumbledore, McGonagall, and Slughorn started this initially.
McGonagall and Filtwick have a winning streak.
They started it in the marauders era with McGonagall joking about James and Lily in the staff room.
Then Dumbledore also mentioned a incident concerning Jily.
Then the bets started.
Teachers shipping Wolfstar.
McGonagall keeps on winning because she knows the marauders very well.
Dumbledore loses the most.
Slughorn tries to be sly and pairs them up and it ends in two cauldrons exploding.
Filtwick winning because he loves the marauders and all their pranks and can read them very well.
Remus figuring this out when he starts teaching at hogwarts.
McGonagall, Filtwick, and Dumbledore doing this every year.
Promona, Hooch, and Pomfrey taking part or supplying gossip.
This still being there after the battle.