Thompson, Lindsey E. ; Kaufman, Julia H. ; Opfer, V. Darleen Implementation of K–12 State Standards for Mathematics and English Language Arts and Literacy Findings from the American Teacher Panel - RAND Corporation 2016 ISBN: 978-0-83309-483-4 Subjects--Topical Terms: EducationEDUCATION / Curricula;EDUCATION / Elementary;EDUCATION / Secondary;EDUCATION / Teaching Methods & Materials / Arts & Humanities;EDUCATION / Educational Policy & Reform / General