It's interesting to read the plans of some politicians:
John Edwards wants to "pay one year of public-college tuition, fees, and books for more than 2 million students. In return, students will be required to work part-time in college, take a college-prep curriculum in high school, and stay out of trouble. "
Biden is offering the following plan:
"Biden is proposing the College ACCESS Plan, which would help middle class families pay for their children’s college tuition. The plan would offer $3,000 refundable tax credit and increase the maximum Pell Grant from $4,310 to $5,100."