Author
National Center for Education Statistics
116
Educational Resources Information Center (U.S.)
60
National Institute of Education (U.S.)
51
United States. Office of Educational Research and Improvement
37
National Center for Education Statistics,
27
Colorado. Department of Education
24
National Center for Research in Vocational Education (U.S.)
15
National Institute on Drug Abuse
14
Colorado. Office of Dropout Prevention and Student Engagement
12
Bachman, Jerald G.
11
Institute of Education Sciences (U.S.)
11
SpringerLink (Online Service)
11
SpringerLink (Online service)
11
United States. Department of Education
11
University of Michigan. Institute for Social Research
11
EBSCOhost
10
Johnston, Lloyd
10
O'Malley, Patrick M.
10
Carroll, C. Dennis
9
Eagle, Eva, 1949-
9
University of Texas at Austin. Research and Development Center for Teacher Education
9
Colorado. Department of Human Services
7
United States. Bureau of Labor Statistics,
7
United States. Office of Educational Research and Improvement. Center for Education Statistics
7
United States. Office of Vocational and Adult Education
7
Colorado Connections for Healthy Schools
6
Colorado. Department of Public Health and Environment
6
Films for the Humanities & Sciences (Firm)
6
Infobase
6
National Opinion Research Center
6
Omni Institute
6
ScienceDirect (Online service)
6
United States. Office of Educational Research and Improvement. Center for Statistics
6
Westat, Inc
6
Doyle, Walter
5
Evans Woolfe (Firm)
5
Infobase,
5
Ingels, Steven J.
5
Kaufman, Phillip
5
National Institute of Justice (U.S.)
5
United States. National Park Service
5
Bayley, John
4
Catterall, James S.
4
Colorado. Exceptional Student Leadership Unit
4
Colorado. Exceptional Student Services Unit
4
Crutcher, Chris
4
DeJung, John
4
Duckworth, Kenneth
4
ERIC Clearinghouse on Educational Management
4
ERIC Clearinghouse on Reading and Communication Skills
4
more ...