Mathematics trends by social class group, England and U.K., TIMSS 1999–2009 and PISA 2000–2009

England U.K.
TIMSS 1999 TIMSS 2007 Change (scale points) 1999–2007 PISA  2000 PISA “2007” Change (scale points) 2000–2007 TIMSS–PISA rough agreement?
Group 1 (Lowest) 438 452 15 458 437 -21 No
Group 2 456 485 29 483 453 -30 No
Group 3 488 521 34 519 490 -29 No
Group 4 505 536 31 540 514 -26 No
Group 5/6 (Higher/highest) 537 568 30 570 548 -22 No
National average 496 513 17 529 494 -35 No

Note: PISA "2007" is a weighted average of PISA 2006 and PISA 2009 data, where PISA 2006 has twice the weight of PISA 2009.

Source: Authors' analysis of Trends in International Mathematics and Science Study (TIMSS) 1999 and 2007 databases (Boston College International Study Center) and OECD Program for International Student Assessment (PISA) 2000, 2006, and 2009 databases

View the underlying data on epi.org.