About the International Schools' Assessment (ISA)

The International Schools' Assessment (ISA) is a set of tests used by international schools and schools with an international focus to monitor student performance over time and to confirm that their internal assessments are aligned with international expectations of performance.

Designed and developed by the ACER, the ISA Mathematical Literacy, Reading and Scientific Literacy assessments are based on the Programme for International Student Assessment (PISA).

The assessments are available for grades 3-10 for:

  • Mathematical Literacy
  • Reading
  • Scientific Literacy 
  • Writing.
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