Scale scores by social class group for U.S. and top-scoring countries, PISA 2009
Canada | Finland | Korea | U.S. | |
---|---|---|---|---|
Reading | ||||
Group 1 (Lowest) | 459 | 466 | 461 | 442 |
Group 2 | 492 | 495 | 501 | 471 |
Group 3 | 518 | 523 | 529 | 504 |
Group 4 | 543 | 552 | 546 | 529 |
Group 5 | 561 | 571 | 564 | 563 |
Group 6 (Highest) | 567 | 572 | 581 | 563 |
Gap (Group 6 – Group 1) | 108 | 106 | 119 | 121 |
Gap (Group 5 – Group 2) | 70 | 75 | 63 | 93 |
Math | ||||
Group 1 (Lowest) | 471 | 490 | 452 | 434 |
Group 2 | 493 | 507 | 504 | 464 |
Group 3 | 521 | 528 | 531 | 491 |
Group 4 | 543 | 552 | 553 | 510 |
Group 5 | 560 | 570 | 579 | 548 |
Group 6 (Highest) | 567 | 580 | 602 | 548 |
Gap (Group 6 – Group 1) | 96 | 90 | 149 | 114 |
Gap (Group 5 – Group 2) | 67 | 63 | 75 | 84 |
Source: Authors' analysis of OECD Program for International Student Assessment (PISA) 2009 database for each country