You need to know how to use a library. If you are familiar with the content, you can understand the subject, even if you have difficulty with the language. In some cases, they want to study a subject that they cannot study in their home country, or they want to study in a particularly good program offered in another country. Especially if you are going overseas for graduate study, you need to make sure that you can get better education at the overseas institution. Also, you need to find out what kind of jobs may be available after you go home and what attitude employers have toward overseas degrees.
Some people have difficulties find a job with a degree from an overseas university.
Studying for Credits Many students study abroad for six months or one year. Some of these students spend their junior year abroad. They take certain content courses and some advanced language courses. These students want the experience of studying abroad, and the opportunity to improve their English. It is important to consider how many courses and which courses you take.