I would not suggest living in Sneads Ferry, as you would be about 35-40 minutes to Half Moon. Swansboro is a nice area, and if you find something that looks good, check how long the drive would be. In Jacksonville itself, I have seen decent looking apartments along Henderson, Gum Branch and Country Club Road. The Brookview Apartments also get 100% ratings from Apartmentratings.com There were some nice looking townhouses in Hubert on Craigslist which would not be too far to the job.
Don't rely completely on Craigslist, as there are some junky looking properties. I'd suggest also looking in the classifieds of the local newspaper at
News Source for Jacksonville, North Carolina - jdnews.com . Also check realtor.com , which has Windsor Place and Liberty Crossing. They look pretty good, and are in safe areas not too far from your school.