ACT, Inc.
- http://www.act.org
- The organization responsible for the American College Test, required for admission to the public colleges in the majority of states; manages other tests and programs, too.
Achieve
- http://www.achieve.org
- Organization devoted to improving the rigor and clarity of the process of standard-setting and testing. Provides standard-setting and benchmarking services to states and districts.
Buros Institute
- http://www.unl.edu/buros/
- The Buros Institute, publishers of The Mental Measurements Yearbook and Tests in Print, provides critical analyses of tests and testing instruments.
National Association of Test Directors
- http://www.natd.org
- An association of professionals with responsibilities for administering assessment programs in K-12 public educational settings. A selection of their research papers and newsletters are available on the site.
OECD PISA Online
- http://www.pisa.oecd.org
- The new Programme for International Student Assessment of the OECD, involves dozens of countries testing their 15 year olds' skills and knowledge as they approach the end of compulsory education.
Peter Sacks
- http://petersacks.org/
- Site maintained by Peter Sacks, author of books and articles about standardized testing, intelligence testing and achievement testing in education and the workplace.