NEW YORK (S&P Global Ratings) Aug. 10, 2016--S&P Global Ratings assigned its 'AA' long-term rating to University of Southern California's (USC) series 2016 taxable bonds. In addition, S&P Global affirmed its 'AA' long-term and underlying ratings (SPUR) on California Educational Facilities Authority's and other issuers' outstanding bonds issued for USC. The outlook is stable. "The rating on USC reflects our assessment of the size breadth of its undergraduate and graduate programs, status as California's largest private university, history of sound operating performance, and track record of impressive fundraising," said S&P Global Ratings analyst Charlene Butterfield. Weaknesses include below-average available resources for the rating category in fiscal 2015 and plans for significant capital spending that could result in a moderate amount