Learn About Your Credit Score
Your credit scores are determined by your payment history, amounts owed on your open revolving and installment accounts, length of credit history, types of credit established and recent new credit & inquiries for credit.
For more comprehensive information on credit scores and how they are created, check out the official website: Credit Basics
Remember, credit scores are subject to vary at any time, even daily.
There are a good number of reporting agencies that can provide you your credit score. Three of the leading services for this are: