As I go through my experience as an intern I can say that internship is the best way to learn the things in the real world. Internship could help a student be ready for the things outside the school.
Internship for me is when one applies what he or she learned theoretically in school into the workplace.
According to wiki.com, an internship is an agreement between the student and the company or organization for a fixed period of time, such as a semester. The student agrees to work for them and they agree to mentor and teach him or her.
Internship can offer valuable insight into a particular field or career. It could also be the door for a student's dream.