There are number of ways you can pay for college without financial help from your parents. You can apply for scholarships, participate in a work-study program and if need-be, borrow money in the form of student loans. You can also take some classes at a community college to save on tuition or go to school part-time while you work full-time to help pay for your degree. Having your parents pay all or some of your educational costs is definitely helpful, but not required if you want go to college and do so paying your own way.
Read for more information on how much parents pay for college.