Before you leave, here are a few things that you need to remember:
Valid Passport: Check to see that your passport is still is valid for at least 6 more months before you book your tickets.
Travel Signature: Your I-20 (F1 visa holder) or DS 2019 ( J1 visa holder) needs to signed by your international student advisor so that you have authorization to re-enter the U.S.
I-94 Arrival/Departure Card: When you are leaving, you will have to give your I-94 card. However, you will get a new one when you return.
Pack wisely: Take some time out to do a little research on the culture of the country that you will be going to. Have a basic understanding of what the weather is like, the language and the food. It will help you to make the most of your trip.