Make sure you're fiscally responsible. Get yourself a low limit store card or credit card. Yes, credit card. Make sure it's a no-fee card.
Charge some items and pay your bill ON TIME. Don't go whole hog and charge up to the limit and carry a balance.
You could also ask your parents, if they're in good credit rating, to put you as an authorized user onto one of their cards. That way you get the benefit of their paying ON TIME of their cards. Of course, if they miss a payment or make late payments that will adversely affect you.
When you have your own, or share, an apartment the utility bills will count towards your credit score. You can build credit by having them put into your name.
Make sure you never ever miss a payment or make late payments on any bill. If you have credit cards try to pay in full each month so you don't get charged interest. Also try to pay on-line so you save on checks and postage.
Here's a few good articles to read as well
http://articles.moneycentral.msn.com/Col…
http://articles.moneycentral.msn.com/Ban…
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