TIMSS 1999 Benchmarking of U.S. States and Districts
The International Association for the Evaluation of Educational Achievement (IEA)
National Center for Educational Statistics (NCES) of the United States Department of Education
TIMSS National Research Center in Sweden, Umeå University
The Eisenhower National Clearinghouse (ENC) This site contains many resources for learning about and discussing TIMSS, including Attaining Excellence: A TIMSS Resource Kit, developed by the U.S. Department of Education. Additional materials and contact information will help educators, teacher educators, parents, and students understand and work with TIMSS data.
American Federation of Teachers
Mid-Atlantic Eisenhower Consortium for Mathematics and Science Education
Regional Alliance Network - Resources on the World Wide Web related to TIMSS