
About IERI: The IEA-ETS Institute
IERI is a collaborative effort between the Research & Development Division at ETS and IEA that focuses on improving the science of large-scale assessments.
IERI undertakes activities around three broad areas of work that include:
- Research studies related to the development and implementation of large-scale assessments;
- Professional development and training; and
- Dissemination of research findings and information gathered through large-scale assessments.
IERI undertakes research activities that address issues surrounding large-scale assessments such as IEA-TIMSS, IEA-PIRLS, OECD-PISA, US-NAEP, OECD-PIAAC, IALS, ALL, etc.
Announcements

This year, the IERI journal celebrates its 10-year anniversary.
Events
IERI Academies
IERI hosts trainings in specialized topics related to large-scale assessment. Find out which trainings are coming up here.