Produced every 3-4 years, the report brings together a variety of data sources and provides a complete picture of language teaching in the 32 participating countries It measures 61 indicators in five categories: context, organisation, participation, teachers and teaching processes.
Uuringuga mõõdetakse 61 näitajat viies kategoorias: taust, korraldus, osalemine, õpetajad ja õppeprotsessid.