I've known some who have done it and some who couldn't work and go to school too. Everyone is diffrent.
Rather than asking this question please go to financial aide and discuss in depth your needs. Apply for every scholarship
that comes along. Even if you are sure you won't qualify or get it. (you'd be suprised).
Sit down and have a serious talk with your family. This is an investment for them as well as you, one that is sure to pay big dividens for all of you.
Look very carefully at what you really NEED financially. This will be a sacrafice, no matter how you plan to do this.
Perhaps you might find someone who would invest in you for a return on that investment later.
If you must work plan your time very carefully. If you must cut back on classes or take a break from classes do so. Be sure to talk to your advisor about your situation.
Been there and graduated.