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The Progress in International Reading Literacy Study (PIRLS), is an international comparative study that assesses and compares the reading performance of pupils at about age 10 (P5 in Scotland), every five years across about 60 countries. This is the first time Scotland have taken part in PIRLS since 2006.
It provides internationally comparative data on pupils’ achievement in reading, and how their performance is related to their attitudes, gender and background. In addition, PIRLS includes questionnaires for teachers, headteachers, and parents/carers, which provide a valuable perspective on teaching reading, and the school and home environment.
PIRLS enables countries around the world to apply evidence-based decisions to improve their education systems. PIRLS provides an opportunity to compare achievement internationally, to learn from the policies and practices of other countries and monitor trends over time according to independent measures. The study also collects valuable information about pupil attitudes and motivations, to help understand how these contribute to pupil performance.
PIRLS assesses pupils at a specific time, in the critical period when they transitition from 'Learning to Read' to 'Reading to Learn'. It is useful to access data that is reported and analysed at a national level and PIRLS allows us to assess how Scottish 10-year-olds perform in the test as well as helping us to better understand any contextual factors that seem to contribute to, or inhibit achievement.
All participating countries will receive high-quality, internationally comparative data. The PIRLS 2026 International Database will document the full set of PIRLS 2026 data, providing numerous opportunities for research into teaching and learning.
Data highlights for each country include:
We are here to support schools and pupils with their participation in PIRLS.
If you have any questions, please feel free to contact us from Monday to Friday between 8am and 4pm on 02070 102 156 or anytime via email at pirlsscotland@pearson.com