You need a Social Security number to work in the United states, even on campus. The Social Security Administration will only assign Social Security numbers to students with documentation certifying that they have an on-campus job or are authorized to work under one of the categories listed under the employment sections of this website.
You will need to bring the following documentation with you to the Social Security Administration to apply:
You will also need ONE of the following:
Once you have the necessary documents, you will submit your application on Form SS-5 with the Social Security Administration closest to where you live. There is no fee to apply.