Phoenix, Arizona, USA. 12th Apr, 2018. Gov. DOUG DUCEY speaks during a press conference at the state capitol in Phoenix. After pressure and demonstrations by the advocacy group Arizona Educators United, Ducey announced a plan that would raise Arizona teacher salaries 20 percent by the 2020-21 school year. Credit: Ben Moffat/via ZUMA Wire/ZUMA Wire/Alamy Live News

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Phoenix, Arizona, USA. 12th Apr, 2018. Gov. DOUG DUCEY speaks during a press conference at the state capitol in Phoenix. After pressure and demonstrations by the advocacy group Arizona Educators United, Ducey announced a plan that would raise Arizona teacher salaries 20 percent by the 2020-21 school year. Credit: Ben Moffat/via ZUMA Wire/ZUMA Wire/Alamy Live News

ZUMA Press, Inc. / Alamy Stock Photo

Image ID: MC77BR