PISA Explorer

Ask about the OECD PISA 2018, 2022 & 2025 databases — survey-weighted, plausible-value-correct, with full provenance.

Try: “How did the math gender gap change in the US between 2018 and 2025?”
“Which 5 countries had the highest science scores in 2025?” · “What share of students in Brazil repeated a grade?”