IELS 2018 Organization

Study director(s)

Australian Council for Educational Research (ACER) - Maurice Walker, International Project Director

  • Project management
  • Assessment development
  • Contextual questionnaire development
  • Delivery platform development
  • Construction of psychometric scales and indices for cognitive, social-emotional, and contextual data
  • Analysis of result and production of statistical tables
Institutions and their responsibilities


  • Field operations
  • Sample design and selection, survey weighting
  • International Quality Assurance Monitoring
  • Data management
  • International database construction


  • Linguistic quality assurance


Expert groups

  • Technical Advisory Group (TAG)
  • Measurement Advisory Group (MAG)

Provided input to

  • Assessment framework for the study
  • Instrument development for the assessments and contextual information
  • Analysis of findings


National Project Managers (NPMs)

  • Supporting, promoting, and organizing the study within each participant country
  • Gathering sample information
  • Providing feedback on the assessment development
  • Obtaining and configuring delivery hardware
  • Training center/school coordinators and study administrators
  • Recruiting education centers/schools, teachers, and parents to participate
  • Managing their own data submission 
  • Developing their own national report
  • Other communications



OECD Early Childhood and Schools
2 rue André Pascal
75775 Paris Cedex 16



The study was funded predominantly by the participating countries.

Editor(s) and author(s) of study-related gateway pages


  • Rowena Phair, Project Leader, OECD

Authors (based on study documents)

  • Opeyemi Ayanwale, Student Assistant, IEA Hamburg
  • Aysel Gojayeva, Unit Coordinator, Research and Analysis Unit, IEA Hamburg