NEW YORK--(BUSINESS WIRE)--Fitch Ratings has affirmed the 'BBB' rating on approximately $181 million of Private Colleges and University Authority series 2014 bonds issued on behalf of Savannah College of Art and Design (SCAD). The Rating Outlook is revised to Positive from Stable. SECURITY The bonds are a general unsecured obligation of the college. KEY RATING DRIVERS POSITIVE OUTLOOK: The Outlook revision is reflective of this art and design institution's improved credit profile driven by cont