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A comprehensive compendium of how mathematics and science are taught around the world, providing vital information on structures and policies for mathematics and science education

Uses TIMSS data to offer insights on how teacher quality and instructional quality influence student outcomes in mathematics across countries, grades and time

This report provides an overview of ECE policy strategies (from birth to the start of primary schooling) in eight countries.

The ICCS 2016 assessment framework provides a conceptual underpinning to the measurement of antecedents, processes, and outcomes of civic and citizenship education undertaken in the second cycle of this study.

Offers insights on how parental involvement and parental help with homework affect student reading literacy across countries and cultures

Completed Studies


Early Childhood Education Study

ECES is a cross-national study that aims to explore, describe, and analyze the provision of early childhood education across countries and how it contributes to children's outcomes.

ICILS 2013

International Computer and Information Literacy Study 2013

ICILS examines the outcomes of student computer and information literacy (CIL) across countries. CIL refers to an individual's ability to use computers to investigate, create, and communicate in order to participate...

PIRLS 2011

Progress in International Reading Literacy Study 2011

PIRLS 2011 was the third assessment, after PIRLS 2001 and PIRLS 2006, in a five-year cycle of assessments measuring trends in reading literacy achievement in primary school.

TIMSS 2011

Trends in International Mathematics and Science Study 2011

The fifth assessment in the TIMSS framework, TIMSS 2011 assessed student achievement in mathematics and science at the fourth and eighth grades, as well as trends over a 16-year period.

ICCS 2009

International Civic and Citizenship Education Study 2009

ICCS 2009 was the third IEA study (after projects conducted in 1971 and 1999) on civic and citizenship education. It reported on student achievement in a test of knowledge and conceptual understanding, as well as student...

TIMSS Advanced 2008

Trends in International Mathematics and Science Study Advanced 2008

First administered in 16 countries in 1995, TIMSS Advanced 2008 assessed school-leaving students with special preparation in advanced mathematics and physics.


Teacher Education and Development Study in Mathematics

TEDS-M was an international comparative study of primary and secondary mathematics teacher education. It examined how different countries have prepared their teachers to teach mathematics in primary and lower-secondary...

TIMSS 2007

Trends in International Mathematics and Science Study 2007

TIMSS 2007 was the fourth in a four-year cycle of assessments of mathematics and science achievement. Previous assessments were given in 1995, 1999, and 2003.

SITES 2006

Second Information Technology in Education Study 2006

SITES 2006 was an international comparative study of pedagogy and ICT use in schools. The study focused on the role of ICT in teaching and learning in mathematics and science classrooms.

PIRLS 2006

Progress in International Reading Literacy Study 2006

PIRLS 2006 was the second, after PIRLS 2001, in a cycle of internationally comparative reading assessments carried out every five years. The study was designed to measure trends in children's reading literacy achievement and...

TIMSS 2003

Trends in International Mathematics and Science Study 2003

TIMSS 2003 was the third in a continuing cycle of international mathematics and science assessments conducted every four years. The aim of the study was to improve the teaching and learning of mathematics and science by...

PIRLS 2001

Progress in International Reading Literacy Study 2001

PIRLS 2001 was the first in a five-year cycle of assessments to measure trends in children's reading literacy achievement, and policy and practices related to literacy. The study examined three aspects of reading literacy:...


Second Information Technology in Education Study Module 2

SITES-M2 was a qualitative study of innovative pedagogical practices using ICT. The study aimed to identify and describe innovations that were considered valuable by each country and that might be considered for large-scale...

TIMSS 1999 Video Study

Third International Mathematics and Science Study Repeat: Video Study

The TIMSS 1999 Video Study was a cross-national investigation of classroom mathematics and science teaching at the eighth grade.


Civic Education Study

CIVED was carried out in two phases. In the first phase, researchers in several countries conducted qualitative case studies that examined the context and meaning of civic education. The observations from the case studies were...

TIMSS 1999

Third International Mathematics and Science Study Repeat

TIMSS 1999 was the second in a series of IEA studies to measure trends in students' mathematics and science achievement. TIMSS 1999 measured progress in eighth grade students' learning of mathematics and science, and provided...


Second Information Technology in Education Study Module 1

The aim of SITES-M1 was to help countries estimate their current position relative to other countries in the educational use of ICT.

Phase 1 of the Language Education Study focused on providing "national profiles" of language education in participating countries, including language policies, curricula, opportunities for language use and learning...

TIMSS 1995

Third International Mathematics and Science Study

TIMSS 1995 was the first in a four-year cycle of assessments of trends in students' mathematics and science achievement, now known as the Trends in International Mathematics and Science Study.


Preprimary Project

PPP was a longitudinal study designed to explore the quality of life of preschool children in the various care and educational environments provided for them (such as preschools, child care centers, or family day care...


Computers in Education Study

COMPED aimed to describe and analyze various aspects of the introduction and use of computers in participating countries.

The Reading Literacy Study examined levels of reading literacy across countries, as well as the nature of reading instruction and relationships between reading comprehension and aspects of the home and school environment.

The Written Composition Study examined the teaching and learning of written composition in schools in order to identify the associated beliefs and conventions.


Second International Science Study

The purpose of SISS was to examine science achievement and its correlates in participating countries, and to study trends in science achievement since the First International Science Study.

The Classroom Environment Study aimed to describe similarities and differences in the nature of teaching in classrooms, and to identify the teaching behaviors associated with better student achievement.


Second International Mathematics Study

As with previous studies, SIMS examined mathematics education at three levels: curricula, classroom practices, and student achievement.

The Study of Civic Education aimed to investigate how and to what extent objectives of citizenship education were being achieved by education systems and what other influences beside the school (such as family, mass media, or...

The Study of English as a Foreign Language employed a test of reading, listening, writing, and speaking. It also aimed to examine the relationship between level of achievement and student, teacher, school, and country...

The Study of French as a Foreign Language assessed performance in reading, listening, speaking, and writing. The study also investigated factors associated with the learning of French as a foreign language.

The major objective of the Study of Literature Education was to assess the influence of schools and teachers of literature on the achievement of their students.

The Study of Reading Comprehension adopted, as measures of verbal ability, a test of reading comprehension, a brief test of reading speed, and a brief test of word knowledge.

First International Science Study (FISS)

Six Subject Survey: Science

FISS focused on three fields of science: biology, chemistry, and physics. The data were collected shortly after the introduction in many countries of reforms in science education.


First International Mathematics Study

FIMS was conducted to investigate the outcomes of various school systems in a field of schooling that was, at the time, undergoing various reforms in many countries.

The Pilot Twelve-Country Study was conducted in order to investigate the feasibility of undertaking more extensive assessments of educational achievement.

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