NEW YORK--(BUSINESS WIRE)--Fitch Ratings affirms all outstanding notes issued from Nelnet Student Loan Trust 2014-1 (Nelnet 2014-1). The Rating Outlook on all outstanding notes remains Stable. KEY RATING DRIVERS High Collateral Quality: The trust collateral consists of 100% of Federal Family Education Loan Program (FFELP) loans, including approximately 24.5% of rehabilitated loans. The credit quality of the trust collateral is high, in Fitch's opinion, based on the guarantees provided by the tr