A good start would be to link your portfolio in your signature and start posting your art everywhere. Start networking now. Nobody really cares if you're a student as long as your portfolio is good.
What others have said, absolutely. Also, when you graduate is when the real work begins. Do not ever stop modeling, or just creating art in general, and really start building a portfolio. There is usually a clear line that constitutes a student portfolio and someone who has been really pushing to create a unique, solid…