Appendices – PIRLS 2021

PIRLS 2021 International Results in Reading

Appendices


Appendix A: Population Coverage and Sample Participation Rates

Appendix B: Percentiles and Standard Deviations of Reading Achievement

Appendix C: Organizations and Individuals Responsible for PIRLS 2021



Appendix A: Population Coverage and Sample Participation Rates

Exhibit A.1: Information About the Students Assessed in PIRLS 2021

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Exhibit A.2: Coverage of PIRLS 2021 Target Population

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Exhibit A.3: School Sample Sizes

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Exhibit A.4: Student Sample Sizes

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Exhibit A.5: Participation Rates (Weighted)

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Exhibit A.6: Trends in Student Populations

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Appendix B: Percentiles and Standard Deviations of Reading Achievement

Exhibit B.1: Percentiles of Reading Achievement

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Exhibit B.2: Standard Deviations of Reading Achievement

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Appendix C: Organizations and Individuals Responsible for PIRLS 2021