Teachers / American Personnel and Guidance Association / American Federation of Teachers / Joint Committee / American Association of SchoolAdministrators / Staff Constituency and Cooperating Organization / Council for American Private Education / National Association of Elementary School Principals / National School Boards Association / Education Commission of the States / includingMission Objectives Joint Committee Host Organization / Committee's mission / American Psychological Association / Joint Committee on Standards / Association for Supervision and Curriculum Development / Joint Committee on Standards for Educational Evaluation PRINCIPLES / American Educational Research Association / National Council on Measurement / National Education Association / /