NEW YORK (S&P Global Ratings) Feb. 16, 2022--S&P Global Ratings revised its outlook to positive from stable and affirmed its 'BBB-' underlying and long-term ratings on the Arizona Industrial Development Authority's series 2021A credit enhanced education revenue bonds and series 2021B non-credit enhanced education revenue bonds, the Industrial Development Authority of the County of Maricopa's series 2017A and 2017C education revenue bonds, and the Phoenix Industrial Development Authority's series 2016 and 2014 education facility revenue bonds, all issued for GreatHearts Arizona (GHAZ; formerly known as Great Hearts Academies). The 'AA-' long-term enhanced program rating on the series 2021A, 2017A, and 2017C bonds is based on inclusion in the Arizona Public School Credit Enhancement Program. For more information on the program