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- National Center for Education Statistics 393 results
- College Entrance Examination Board 341 results
- ACT, Inc 149 results
- Educational Testing Service 124 results
- Center on Education Policy (Washington, D.C.) 103 results
- New York (N.Y.). Board of Education. Office of Research, Evaluation, and Assessment 85 results
- United States. Department of Education 85 results
- American Institutes for Research 79 results
- Educational Resources Information Center (U.S.) 75 results
- Society for Research on Educational Effectiveness 72 results
- American College Testing Program 62 results
- University of California, Los Angeles. Center for Research on Evaluation, Standards, and Student Testing 62 results
- Houston Independent School District (HISD), Department of Research and Accountability 57 results
- National Center for Education Evaluation and Regional Assistance (U.S.) 55 results
- What Works Clearinghouse (Institute of Education Sciences) 53 results
- National Center for Education Evaluation and Regional Assistance (ED) 49 results
- New York City Public Schools. Office of Educational Evaluation 44 results
- Alberta. Alberta Learning 42 results
- National Opinion Research Center 41 results
- University of Michigan. Institute for Social Research 39 results
- Education Commission of the States 37 results
- Austin Independent School District (Tex.). Office of Research and Evaluation 36 results
- What Works Clearinghouse (ED) 36 results
- National Center for Research in Vocational Education (U.S.) 35 results
- Centers for Disease Control and Prevention (U.S.) 34 results
- American Institutes for Research (AIR) 33 results
- Bachman, Jerald G. 33 results
- Texas A and M Univ., College Station. Texas Agricultural Experiment Station 32 results
- United States. Office of Education 32 results
- McNamara, Danielle S. 31 results
- University of California, Los Angeles. Center for the Study of Evaluation 31 results
- New York City Public Schools. Office of Educational Assessment 30 results
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- Ingels, Steven J. 29 results
- Johnston, Lloyd 29 results
- National Institute of Education (U.S.) 29 results
- Westat, Inc 29 results
- Education Partnerships, Inc 28 results
- Jobs for the Future, Inc 28 results
- Mattern, Krista D. 28 results
- National Association of Secondary School Principals (U.S.) 28 results
- Southern Regional Education Board 27 results
- MDRC (Organization) 26 results
- O'Malley, Patrick M. 26 results
- RTI International 26 results
- Johns Hopkins University. Center for the Study of Social Organization of Schools 25 results
- MPR Associates 25 results
- Mathematica Policy Research, Inc 25 results
- Miami-Dade County Public Schools. Department of Research Services 25 results
- Shaw, Emily J. 25 results more…