PIRLS 2021 International Results in Reading

Appendices

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Appendix A: Population Coverage and Sample Participation Rates

• Information About the Students Assessed in PIRLS 2021
• Coverage of PIRLS 2021 Target Population
• School Sample Sizes
• Student Sample Sizes
• Participation Rates (Weighted)
• Trends in Student Populations

Appendix B: Percentiles and Standard Deviations of Reading Achievement

• Percentiles of Reading Achievement
• Standard Deviations of Reading Achievement

Appendix C: Organizations and Individuals Responsible for PIRLS 2021

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Appendix A: Population Coverage and Sample Participation Rates

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Appendix B: Percentiles and Standard Deviations of Reading Achievement

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Appendix C: Organizations and Individuals Responsible for PIRLS 2021