NEW YORK--(BUSINESS WIRE)--Fitch Ratings affirms the 'AAAsf' rating assigned to the senior student loan asset-backed notes issued by the NorthStar Student Loan Trust I, series 2012-1. The Rating Outlook on the senior notes is Stable. A detailed list of rating actions follows at the end of this press release. KEY RATING DRIVERS Adequate Collateral Quality: The trust collateral is comprised of 100% of Federal Family Education Loan Program (FFELP) loans. The credit quality of the trust collateral