Seeing red: Teacher walkouts shut Arizona, Colorado schools

Thousands march to the Arizona Capitol for higher teacher pay and school funding Thursday, April 26, 2018, in Phoenix. (AP Photo/Ross D. Franklin)
Thousands march to the Arizona Capitol for higher teacher pay and school funding Thursday, April 26, 2018, in Phoenix. (AP Photo/Ross D. Franklin)
Teachers from Jefferson and Douglas counties in Colorado carry placards as they march around the State Capitol during a rally Thursday, April 26, 2018, in Denver. More than 10,000 teachers in Colorado are expected to demonstrate as part of a burgeoning teacher uprising from the East to the interior West that is demanding more tax dollars be spent in public schools. (AP Photo/David Zalubowski)

PHOENIX — A sea of teachers clad in red shirts and holding “Money for Schools” signs reached the Arizona Capitol to press lawmakers for action Thursday, a key event in an unprecedented walkout that closed most of the state’s public schools and built on an educator uprising that bubbled up in other parts of the U.S.