Performance Comparison between IB School Students and Non-IB School Students on the International Schools’ Assessment (ISA) and on the Social and Emotional Wellbeing Questionnaire

Publication Date



International schools, Comparative analysis, Primary secondary education, Numeracy, Literacy, Readings tests, Mathematics tests, Writing tests, Student assessment, Educational assessment


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This report examines the performance of students enrolled in the IB Primary Years Programme (PYP) and the IB Middle Years Programme (MYP) on the ACER International Schools’ Assessment (ISA) compared with non-IB students from the same ISA cohorts. The ISA is an assessment created especially for students in international schools in Grades 3 to 10. The assessment asks both multiple-choice and open-ended questions in the areas of writing, reading and mathematics, and provides international normative information about student performance. The Reading and Mathematical Literacy are based on the internationally endorsed frameworks of the OECD's Programme for International Student Assessment (PISA). The global analysis of ISA performance was followed by detailed regional analysis in three geographical regions, i.e. Europe and the Americas, Asia and Oceania, and Africa.

Place of Publication



Australian Council for Educational Research (ACER)