Author
National Center for Education Statistics
168
Educational Testing Service
94
Jerry, Laura
89
Ballator, Nada
88
National Assessment of Educational Progress (Project)
59
Reese, Clyde M.
51
United States. Office of Educational Research and Improvement
51
Carr, Peggy
48
Educational Resources Information Center (U.S.)
45
Rogers, Alfred
39
Colorado. Department of Education
33
United States. Department of Education
31
National Institute of Education (U.S.)
29
SpringerLink (Online service)
23
United States. Congress. House. Committee on Education and the Workforce
20
United States. Congress. House. Committee on Education and the Workforce,
19
Institute of Education Sciences (U.S.)
17
National Center for Education Statistics,
15
United States. Congress. Senate. Committee on Health, Education, Labor, and Pensions,
15
Colorado. Department of Education. Unit of Student Assessment
12
Films for the Humanities & Sciences (Firm)
12
Infobase
12
Educational Resources Information Center (U.S.). Council of ERIC Directors
11
Flaxman, Erwin
11
National Center for Education Evaluation and Regional Assistance (U.S.)
11
Colorado. General Assembly. Legislative Council
10
United States. Congress. House. Committee on Education and Labor
10
Mullis, Ina V. S.
9
Association for Supervision and Curriculum Development
8
Brook Lapping Productions
8
Evans Woolfe (Firm)
8
United States. Congress. House. Committee on Education and the Workforce. Subcommittee on Early Childhood, Elementary, and Secondary Education,
8
EBSCOhost
7
National Center for Education Evaluation and Regional Assistance (U.S.),
7
ScienceDirect (Online service)
7
Available Light (Firm)
6
Colorado Community College System
6
Colorado. Department of Education. Assessment Unit
6
Marzano, Robert J.
6
National Center for Health Statistics (U.S.),
6
National Center for Research in Vocational Education (U.S.)
6
Real Life Productions
6
United States. Congress. Senate. Committee on Indian Affairs (1993- ),
6
Colorado Children's Campaign
5
Colorado. Exceptional Student Leadership Unit
5
Colorado. Exceptional Student Services Unit
5
Donnell-Kay Foundation
5
ERIC Clearinghouse on Urban Education
5
Lambent Productions
5
Oxford Scholarship Online
5
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