The article only talks about how tuition hikes affect the very poor and the very rich. But what about the middle class? If the distribution of parental househo

The article only talks about how tuition hikes affect the very poor and the very rich. But what about the middle class? If the distribution of parental household income is normal, then wouldn't hikes significantly hurt a large portion of college students; i.e. the ones who aren't receiving aid and whose parents aren't rich?