The Cost of College Will Soar if Interest Rates Are Allowed to Double ReportApr 25, 2012 The Cost of College Will Soar if Interest Rates Are Allowed to Double Jennifer Mishory, Rory O'Sullivan, and Tobin van Ostern on what happens if Congress allows the student interest rate to double. Apr 25, 2012 Jennifer Mishory, Rory O’Sullivan, Tobin Van Ostern