NEW YORK--(BUSINESS WIRE)--Fitch Ratings affirms the senior notes at 'AAAsf' and subordinate notes at 'AAsf' issued by GCO Education Loan Funding Trust-I March 2003 Trust Indenture (GCO Trust-I). The Rating Outlook remains Stable for both classes. KEY RATING DRIVERS High Collateral Quality: The trust collateral consists of 100% of Federal Family Education Loan Program (FFELP) loans. The credit quality of the trust collateral is high, in Fitch's opinion, based on the guarantees provided by the t