CHICAGO (S&P Global Ratings) June 21, 2017--S&P Global Ratings has corrected by lowering its long-term rating to 'A+' from 'AA' on Armona Union Elementary School District, Calif.'s series A general obligation (GO) bonds election of 2016. The outlook is stable. At the same time, S&P Global Ratings corrected by withdrawing its 'A+' underlying rating (SPUR) on maturities 2018 and 2019.