CHICAGO (Standard&Poor's) April 28, 2016--Standard&Poor's Ratings Services raised its long-term rating to 'BBB' from 'BBB-' on Iowa Higher Education Loan Authority's series 2011 private college facility revenue refunding bonds, issued on behalf of Dubuque University (UD). The outlook is stable. Standard&Poor's also assigned its 'SP-1' short-term rating to the authority's series 2016A revenue anticipation notes (RANs) issued for Dubuque University as one of the participants in the authority's Private Education Working Capital Loan Program. We have not been asked to rate the other note participants. "The raised rating reflects the application of our updated criteria, " Methodology: Not-For-Profit Public And Private Colleges And Universities", published Jan. 6, 2016," said Standard&Poor's credit analyst