⩓ DATATRUST
Failing the Test of Time

Indonesia's PISA scores in science, reading, and mathematics, 2006–2025

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Note: Administered by the OECD every three years, PISA assesses 15-year-olds on real-world reading, math, and science literacy rather than memorization. A 20-point gap roughly equals one year of formal schooling.

Chart: D. Bisara @ Investortrust.idSource: OECD