The amount of federal student loans that undergraduate students can take out themselves will not change, but the new Parent PLUS limits will restrict federal financing options for some families. Nearly three in 10 current Parent PLUS borrowers are likely to encounter problems with the new limit, and about 22% will be constrained by the aggregate cap, according to a Brookings Institution analysis of data from the National Center for Education Statistics. Additionally, middle-to-higher income families who are ...