MyFico has a great site that addresses the question of how to improve your credit score. http://www.myfico.com/crediteducation/improveyourscore.aspx
The quick and easy things to do?
- Don't buy big-ticket items and charging them to your credit cards
- Pay down your debts including credit card balances
- Don't be late with any payments
- Don't apply for new credit cards --- don't be tempted with the 10% discount off your first purchase