As an international student at Stanford University in F-1 or J-1 status, you must be aware of, and abide by, the U.S. immigration regulations that govern your stay here.
Be sure to read the Instructions to Students on page 2 of your I-20 if you are in F-1 status, or on page 2 of your DS-2019 if you are in J-1 status.
By following those instructions and the information below, you will maintain legal student F-1 or J-1 status in the US and be able to take full advantage of student status benefits such as work and travel.