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International Snapshots Library

For a quick dive into the results from international assessments, view our ready-made Snapshot charts and tables below.

Interested in making your own? These Snapshots are largely produced using the International Data Explorer (IDE), a publicly available web-based data tool that allows users to produce their own tables, charts, maps, and tests of statistical significance. The IDE currently includes data from the PIRLS, TIMSS, PISA, TALIS, and PIAAC studies, with contextual variables such as student demographics, instructional experiences, and school characteristics, allowing users to explore a variety of questions.

Choose a survey or age/grade level from the list below to view Snapshots


PIRLS (Grade 4) TIMSS (Grades 4 and 8) PISA (15-year-olds)
TALIS (Teachers and Principals) PIAAC (Adults ages 16 - 65) Cross Study Snapshots

Reading scores of 4th-grade students on Progress in International Reading Literacy Study (PIRLS) at the 10th and 90th percentiles, by education system: 2011

Recent Snapshot: How wide is the gap between high- and low-performers in reading across countries? This graph displays within-country performance gaps in reading achievement for those countries that participated in PIRLS 2011.

To see full-length reports, as well as other publications and data products from international assessments, visit the International Activities Program Publications and Products page.