There are a few basics you should have to make sure your room on campus or your house isn't any more at risk from burglary than it needs to be. West Midlands Police have produced a security checklist for private-sector houses as a part of their Safer Students website.
When you leave your house at the end of a term:
Do not leave any valuables in an unoccupied house/room - take them home with you. If you have to leave valuables behind, then try to hide them away if possible - under the bed, in a drawer, or on top of a cupboard.
Use some timer-switches so that lights, radios etc. will switch on and off from time to time. Make sure that the last person to leave the property locks up completely and activates the alarm if you have one.
Ask a landlord to come around and check on the house regularly, and tell your neighbours that you're away. Ask them to keep an eye on the house and push any post through the letterbox to hide any build-up.