I'd include in a college survival kit: roll of quarters for laundry (or do they use debit cards for that now??), aspirin/ibuprofen, stamps, a calling card, some restaurant/fast food/grocery gift cards, toiletries, etc. I don't have a whole poem, but when I was in college, our answering machine message was:
"Hi, you've reached Kristen and Jill. If it's after 8, we're probably out. If it's before noon, we're probably sleeping. If it's our parents, I'm sure we're at the library..."