Standard&Poor's Ratings Services raised its long-term rating and underlying rating (SPUR) to 'AA-' from 'A+' on West Contra Costa Unified School District, Calif.'s, general obligation (GO) bonds. At the same time, we assigned our 'AA-' long-term rating to the district's 2016 series D (election of 2010), 2016 Series C (Election of 2012), and 2016 series A refunding GO bonds. The outlook is stable. The rating action reflects our view of the district's stable operations and maintenance of strong reserves through a recessionary revenue environment, and the strength of the local economy. The ratings reflect our opinion of the district's: Participation in the San Francisco Bay Area economy, which provides residents with diverse employment opportunities; Extremely strong per capita