Average Pisa

Selected country

maths score (2018)

Estonia

523

Netherlands

519

Poland

516

Denmark

509

Belgium

506

Finland

507

Failure to include low-achieving pupils and those who don't turn up for tests means England's average Pisa score could be inflated by up to 10 points

England (reported)

504

Sweden

502

Germany

500

Republic of Ireland

500

Czech Republic

499

Latvia

496

France

495

Iceland

495

England (adjusted)

494

Portugal

492

OECD average

489

Russia

488

Wales's average score could be 15 points too high

Wales (reported)

487

Italy

487

Slovak Republic

486

Lithuania

481

Wales (adjusted)

473

Malta

472