Fenris_GreyClaw wrote:

Depends on what it is. My room is like someone upturned all the drawers/storage boxes, but I know where the important things are.

School files, on the other hand, are categorised by Subject > Term > Summative/Formative > Appropriately named folder > schoolworkdocument1.doc
As with most of my answers, mine is also conditional.

I organize my work to whatever degree is required (which is usually a lot).  On the other hand, my bedroom is currently a mess.