Guitar Tragedy

My guitar broke! I had a break from classes and went back to my room at 12pm, and I saw my guitar on the floor but thought, 'oh I'll pick it up later'... After coming back from another batch of classes, I decided to finally pick up my guitar, only to find that it's broken! 

I don't know what to do! Do I confront the cleaners about this? Coz they cleaned my room today. But I have no proof, and I also don't want to drag people into this, especially if they didn't do anything. And if it's all an accident, then I can't go round blaming people, and I really do feel responsible for it myself. But if I don't, I'm seriously screwed, because I'll have to either tell the school and pay them back, or buy another in its place. The poor guitar! Gosh... 

I'm screwed! Do you know how much guitars cost? NO NO NO!

It actually hurts the soul... GAH