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Mari Koerner, dean of the Mary Lou Fulton Teachers College at Arizona State University, during March testimony to a Senate committee on her college's approach to training teachers, which was held out Tuesday, Nov. 25 as a model for other schools in the nation.(Cronkite News photo by Whitney Ogden)

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Federal officials encourage teachers' colleges to follow Arizona model

WASHINGTON - Education Secretary Arne Duncan cited Arizona State University as a school that is "raising the bar" on teacher education, as he unveiled a plan Tuesday aimed at strengthening training and better preparing teachers for the classroom.