While the college attendance rate of children from the highest income families has risen to nearly 90 percent, attendance rates for children from low-income families hovers around 50 percent. Whereas the focus of financial aid has historically been on easing the tuition burden for low-income families that might not otherwise be able to afford college, the movement towards merit-based aid is attracting more students from middle- and high-income families while apparently crowding out students from low-income families.