National Center for Educational Assessment (NCEA)
- Online and on-site tests that are aligned with state, provincial and international standards. Based in Canada. Tests for groups and individuals from grade K to 12 in a variety of subjects. Custom tests and test exchange.
- http://www.ncea.ca/

Mary Immaculate College Reading Attainment Test (MICRA-T)
- Standardized reading and mathematics attainment tests for primary schools in Ireland. Details of the standardization procedure and levels of the test. Sample tests available.
- http://www.micra-t.ie

Eleven Plus in Buckinghamshire
- Information for parents about the Buckinghamshire eleven plus secondary school selection tests.
- http://www.bucks11plus.co.uk/

Educational Testing Service (ETS)
- Assessment development and research organization. Directory of tests for a variety of age groups and subjects. Information for applicants with disabilities, research reports, conferences, careers, educational news.
- http://www.ets.org/

Educational Records Bureau (ERB)
- Educational service organization providing more challenging assessments to private schools and suburban high schools.
- http://www.erbtest.org/

Curriculum, Evaluation and Management Centre
- Part of the University of Durham. Produces tests for schools and institutions, including the Performance Indicators in Primary Schools (PIPS) series. Includes forum and details of projects, costs, conferences and publications.
- http://cem.dur.ac.uk/