News

We publish news and recent information for all ILSA studies, including but not limited to launches of reports, releases of data, calls for proposals, and also academic internships and job opportunities. An overview of all news can be found here, news related to a particular ILSA study can be found on the sub-pages of the respective study.

SEA-PLM 2024 data available
SEA-PLM 2024: Datasets and Questionnaires Available

The SEA-PLM 2024 datasets are now available, providing free access to Grade 5 students’ reading and mathematics achievement data from six Southeast Asian countries, along with codebooks, questionnaires, and technical documentation. Access to the datasets requires completion of a registration form.

IELS 2025: International Report
IELS 2025 International Report Released

The international results of the International Early Learning and Child Well-being Study (IELS) have been released, presenting internationally comparable data on the learning and well-being of 5-year-old children attending Early Childhood Education and Care (ECEC) centres and/or schools. The study directly measured emergent literacy and numeracy, executive function, as well as social and emotional skills. In addition, it collected information on each participating child through questionnaires completed by parents and staff.

Release of IDB
TIMSS 2023 Longitudinal: International Database Released

The TIMSS 2023 Longitudinal International Database (IDB) is now available. As the first longitudinal extension of TIMSS, the study followed students from Grade 4 to Grade 5 and from Grade 8 to Grade 9. The database contains student achievement and process data, as well as contextual information at the student, home, teacher, school, and national levels collected in 2023 and 2024. Comprehensive documentation will be provided to support secondary data analyses.