Depends who is around. If nobody then either sort out my school stuff (putting things away from my bag) or get on the computer maybe. But I always walk straight into the kitchen so if my friend is there [we have semi-similar lecture times] I'll sit and talk to her for a while before coming into my room.
If I'm coming home at lunch time then I'll make it as soon as I get in. So really it depends on the day. But generally, I'd say computer