Students enrolling in college this year will see higher interest rates on school loans.  The rates on undergraduate Stafford loans taken out between July 1 and June 30, 2015 will jump to 4.6%.  That is increase from the last year's interest rate of 3.8%.  Unsubsidized loans will jump from 5.4% to 6.2%.  Direct PLUS loans will go up from 6.4% to 7.2%.  Interest rates aren't expected to stop rising.  The Congressional Budget Office expects them to rise as high as 7.7% in 2018.