Standard&Poor's Ratings Services assigned its 'AA' rating and stable outlook to Jefferson Parish School Board, La.'s series 2015 0.5% sales tax refunding school bonds and affirmed its 'AA' rating, with a stable outlook, on the board's parity sales tax debt. The rating reflects our opinion of the board's: Service sector-based economy, anchored in retailing, tourism (helped by the parish's access to New Orleans), and health care -- These activities have diversified the parish's traditional base in shipbuilding and the oil-and-gas industry; and Maximum annual debt service (MADS) coverage of more than 4.9x with plans to issue parity debt over the next three years, coupled with projected debt service coverage (DSC) remaining strong. We believe the rating is somewhat