TEACHING AND LEARNING INTERNATIONAL SURVEY (TALIS) INTERNATIONAL EARLY LEARNING STUDY (IELS) INTERNATIONAL COMPUTER AND INFORMATION LITERACY STUDY (ICILS) PROGRAM FOR THE INTERNATIONAL
ASSESSMENT OF ADULT COMPETENCIES (PIAAC)
TRENDS IN INTERNATIONAL MATHEMATICS AND SCIENCE STUDY (TIMSS) PROGRAM FOR INTERNATIONAL STUDENT ASSESSMENT (PISA) PROGRESS IN INTERNATIONAL READING LITERACY STUDY (PIRLS) INTERNATIONAL ACTIVITIES PROGRAM (IAP)
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    IAP Studies
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