Table 4. Trends in average science scores of fourth- and eighth-grade students, by country: 1995 to 2007
Grade four |
Grade eight |
Country |
Average score |
Difference1 |
Country |
Average score |
Difference1 |
1995 |
2007 |
2007-1995 |
1995 |
2007 |
2007-1995 |
Singapore | 523 | 587 | 63* | Lithuania2 | 464 | 519 | 55* |
Latvia2 | 486 | 542 | 56* | Colombia | 365 | 417 | 52* |
Iran, Islamic Rep. of | 380 | 436 | 55* | Slovenia | 514 | 538 | 24* |
Slovenia | 464 | 518 | 54* | Hong Kong SAR3, 4 | 510 | 530 | 20* |
Hong Kong SAR3 | 508 | 554 | 46* | England | 533 | 542 | 8 |
Hungary | 508 | 536 | 28* | United States4, 5 | 513 | 520 | 7 |
England | 528 | 542 | 14* | Korea, Rep. of | 546 | 553 | 7* |
Australia | 521 | 527 | 6 | Russian Federation | 523 | 530 | 7 |
New Zealand | 505 | 504 | -1 | Hungary | 537 | 539 | 2 |
United States4, 5 | 542 | 539 | -3 | Australia | 514 | 515 | 1 |
Japan | 553 | 548 | -5* | Cyprus | 452 | 452 | # |
Netherlands6 | 530 | 523 | -7 | Japan | 554 | 554 | -1 |
Austria | 538 | 526 | -12* | Iran, Islamic Rep. of | 463 | 459 | -4 |
Scotland | 514 | 500 | -14* | Scotland4 | 501 | 496 | -5 |
Czech Republic | 532 | 515 | -17* | Romania | 471 | 462 | -9 |
Norway | 504 | 477 | -27* | Singapore | 580 | 567 | -13 |
| | | | Czech Republic | 555 | 539 | -16* |
| | | | Norway | 514 | 487 | -28* |
| | | | Sweden | 553 | 511 | -42* |