I'm going to make little gift bags for DD's teachers with bickies in a jar, some christmassy coloured macarons, and maybe something else.
I used to love getting stuff like that, but now that I'm vegan, I'm not so into it.

My favourite ever gifts have been:
- a set of bangles
- a box of mangoes (i.e. a parent who knew me really well)
- a novel, that I would never usually have picked for myself, but I loved.
- pink grapefruit pack from Body Shop (heaps of teachers are over the soap thing, but again, parent knew my love of pink grapefruit)
- bag of quality coffee beans

And, looking around my lounge room, there's a candle set and photo frame from parents. But for every one I do use, there's two or three that I re-gift.

So my advice, is get to know the teacher, and see what might suit.