The ILSA Gateway is now online

Welcome to the online platform for all major international large-scale assessments (ILSAs), including ICCS, ICILS, PASEC, PIAAC, PIRLS, PISA, PRIDI, STEP, TALIS, TEDS-M, TERCE, and TIMSS.
Do language policies in post-colonial countries help explain achievement differences?

In a world where significant migration is becoming the norm, language-in-education models may vary from full immersion to increasing degrees of additive bilingualism. PIRLS can provide valuable evidence to help support national policymaking. Read more
Exploring cross-national changes in instructional practices: evidence from four cycles of TIMSS

What do TIMSS trends reveal about mathematics teaching practices? Mojca Rožman & Eckhard Klieme from DIPF investigate in our latest policy brief. Read more.
TIMSS 2015 results are out!

More than 60 education systems, 630,000 students, and two decades of educational trends. TIMSS 2015 enables countries to make evidence-based decisions on how best to improve student learning – Read More.
TIMSS 2015 database released

Researchers, analysts, and others interested in improving education download all the big data behind the TIMSS 2015 reports, as well as all our other studies. Read more