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Progress in International Reading Literacy Study (PIRLS)

The Progress in International Reading Literacy Study (PIRLS) is an international comparative study of the reading literacy of young students. PIRLS studies the reading achievement and reading behaviors and attitudes of fourth-grade students in the U.S. and students in the equivalent of fourth grade in other participating countries. AIR’s experts provide analytical support for U.S. participation in PIRLS, including consultation and management support, expert analysis, and technical review of assessment frameworks, field test items, and reports.


Recent Reports Recent Projects
  • Progress in International Reading Literacy Study (PIRLS)

    The Progress in International Reading Literacy Study (PIRLS) is an international comparative study of the reading literacy of young students. AIR’s experts provide technical and analytical support for U.S. participation in PIRLS, including consultation and management support; technical review of statistical reports, data files, and data documentation; expert analysis; technical support for the development of web-based data tools and other products; and training outside researchers to use PIRLS data files and other survey resources.