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Digest of Education Statistics
2009 Tables and Figures All Years of Tables and Figures Most Recent Full Issue of the Digest


Table 408. Mathematics class sizes and average scores of eighth-grade students, yearly mathematics instructional time, and mathematics instructional time as a percentage of total instructional time, by country: 2007
Country or other jurisdiction Overall average class size Percentage distribution and average scores of students, by class size Students' average hours per year of mathematics instructional time Mathematics instructional time as a percent of total instruc-tional time
1 to 24 students 25 to 40 students 41 or more students
Percent of students Average score Percent of students Average score Percent of students Average score
1 2 3 4 5 6 7 8 9 10
International average 29   (0.1) 30   (0.4) 439   (1.6) 59   (0.5) 456   (0.9) 11   (0.3) 449   (2.9) 120   (0.4) 12   (#)
Algeria 37 1  (0.7) 5 1  (2.1) 370 1  (10.8) 64 1  (4.2) 388 1  (2.8) 31 1  (3.9) 389 1  (3.2)   (†) 13 2  (0.4)
Armenia 25   (0.4) 40   (4.0) 502   (6.2) 60   (3.9) 497   (4.2) #   (†)   (†) 110   (3.9) 11   (0.4)
Australia 26   (0.3) 30   (2.8) 471   (6.3) 70   (2.9) 511   (5.3) #   (†)   (†) 131 1  (2.0) 13 1  (0.2)
Bahrain 31   (0.1) 6   (0.7) 449   (6.3) 94   (0.7) 393   (1.8) #   (†)   (†) 96 2  (2.8) 9 1  (0.3)
Bosnia and Herzegovina 24   (0.4) 48   (3.6) 454   (3.9) 52   (3.6) 458   (4.4) #   (†)   (†) 102 1  (0.9) 11 1  (0.3)
                                                     
Botswana 38   (0.4) 1   (0.6)   (†) 73   (3.8) 367   (3.1) 26   (3.7) 355   (5.3) 138 1  (1.5) 13 1  (0.3)
Bulgaria 22   (0.3) 59   (3.5) 441   (7.2) 41   (3.5) 507   (7.1) #   (†)   (†) 93 1  (2.0) 12 1  (0.3)
Chinese Taipei 35   (0.5) 4   (1.8) 549   (29.9) 85   (3.3) 593   (4.6) 11   (2.7) 660   (11.0) 158   (3.5) 14   (0.2)
Colombia 35   (0.6) 13   (2.5) 357   (16.1) 66   (4.6) 386   (5.1) 21   (3.9) 383   (5.9) 151 1  (4.7) 12 1  (0.7)
Cyprus 24   (0.2) 54   (2.7) 466   (2.4) 45   (2.7) 462   (2.6) 1   (#)   (†) 72 2  (0.3) 8 2  (#)
                                                     
Czech Republic 24   (0.3) 49   (4.3) 494   (3.8) 51   (4.3) 514   (3.8) #   (†)   (†) 128   (2.1) 14 1  (0.2)
Egypt 39   (0.6) 4   (1.5) 410   (12.8) 53   (3.6) 395   (4.9) 43   (3.7) 386   (5.6) 93 1  (4.3) 8   (0.4)
El Salvador 29   (0.8) 35   (3.7) 323   (5.7) 51   (4.0) 348   (3.8) 14   (3.2) 348   (10.0) 142   (2.6) 17   (0.5)
England3 26   (0.6) 30   (3.8) 469   (8.6) 69   (3.7) 533   (5.8) 1   (1.0)   (†) 113   (1.7) 12   (0.2)
Georgia4 23   (0.6) 52   (5.2) 412   (7.4) 47   (5.3) 408   (9.2) 1   (0.6)   (†) 110   (0.8) 13   (0.2)
                                                     
Ghana 46   (1.9) 13   (2.4) 299   (11.3) 40   (4.2) 299   (7.9) 47   (4.3) 321   (7.7) 146 1  (5.0) 13   (0.5)
Hong Kong SAR3,5 37   (0.5) 10   (1.9) 513   (23.5) 44   (4.3) 555   (10.1) 46   (4.1) 604   (7.2) 148 2  (3.8) 14 2  (0.4)
Hungary 21   (0.5) 72   (3.4) 510   (4.7) 27   (3.3) 533   (8.3) 1   (0.9)   (†) 99 2  (1.3) 13 2  (0.2)
Indonesia 38   (0.9) 6   (1.7) 374   (13.7) 61   (4.2) 400   (5.1) 33   (4.1) 396   (8.6) 136 2  (4.7) 11 2  (0.3)
Iran, Islamic Republic of 26   (0.5) 35   (3.2) 386   (5.5) 64   (3.3) 411   (5.7) 1   (1.1)   (†) 99 2  (2.3) 11 2  (0.3)
                                                     
Israel6 33 2  (0.4) 5 2  (1.2) 473 2  (22.6) 92 2  (2.2) 467 2  (4.7) 3 2  (1.8) 496 2  (42.7)   (†) 12 2  (0.3)
Italy 22   (0.2) 73   (2.9) 475   (3.4) 27   (2.9) 493   (5.7) #   (†)   (†) 136 1  (1.5) 13 1  (0.2)
Japan 34   (0.5) 10   (2.1) 555   (5.9) 85   (2.7) 567   (2.9) 5   (1.6) 645   (24.7) 105   (1.6) 10   (0.1)
Jordan 35   (0.7) 13   (2.5) 431   (17.4) 58   (4.4) 427   (6.2) 29   (4.1) 425   (7.8) 141   (1.1) 14   (0.2)
Korea, Republic of 37   (0.4) 4   (1.4) 558   (15.6) 78   (2.6) 596   (3.1) 18   (2.3) 607   (7.2) 104 2  (0.7) 11 2  (0.2)
                                                     
Kuwait7 30 2  (0.5) 12 2  (3.3) 356 2  (9.9) 87 2  (3.2) 357 2  (2.8) 1 2  (#)   (†)   (†) 6 2  (0.6)
Lebanon 26   (0.6) 38   (4.3) 426   (6.3) 58   (4.5) 464   (7.1) 4   (1.2) 423   (14.4)   (†)   (†)
Lithuania4 25   (0.3) 35   (3.2) 480   (4.1) 65   (3.2) 520   (3.6) #   (†)   (†) 116 1  (0.9) 13 1  (0.2)
Malaysia 36   (0.4) 1   (0.8)   (†) 80   (3.2) 470   (5.8) 19   (3.1) 486   (10.9) 123   (1.0) 11   (0.1)
Malta 22   (#) 71   (0.2) 472   (1.4) 29   (0.2) 523   (1.9) #   (†)   (†) 128   (0.1) 13   (#)
                                                     
Norway 25   (0.4) 47   (3.9) 468   (3.4) 51   (4.0) 471   (2.4) 1   (1.0)   (†) 113   (1.6) 13   (0.2)
Oman 32   (0.4) 10   (2.2) 363   (8.8) 90   (2.2) 373   (3.6) #   (†)   (†) 150 2  (4.5) 15   (0.5)
Palestinian National
   Authority
38   (0.5) 8   (1.6) 383   (11.7) 51   (4.0) 367   (5.2) 41   (3.6) 364   (6.0) 100 2  (4.0) 11 2  (0.4)
Qatar 27   (#) 20   (0.1) 300   (3.5) 77   (0.2) 309   (1.8) 2   (#)   (†) 138 2  (0.1) 13 2  (#)
Romania 21   (0.3) 76   (2.9) 450   (4.5) 24   (2.9) 500   (8.8) #   (†)   (†) 122 1  (1.9) 14 1  (0.3)
                                                     
Russian Federation 21   (0.3) 63   (2.8) 499   (4.6) 37   (2.8) 533   (6.0) #   (†)   (†) 131 1  (1.4) 15 1  (0.2)
Saudi Arabia 30   (0.8) 28   (3.6) 330   (5.1) 61   (4.0) 329   (4.2) 11   (2.6) 322   (11.4) 107 2  (3.2) 11 1  (0.3)
Scotland3 25   (0.5) 43   (3.2) 449   (6.3) 56   (3.1) 517   (4.8) 1   (0.8)   (†) 135 2  (2.2) 13 2  (0.2)
Serbia4,8 24   (0.4) 53   (3.9) 480   (4.8) 47   (3.9) 490   (5.1) #   (†)   (†) 103 2  (0.8) 13 2  (0.2)
Singapore 38   (0.2) 2   (0.6)   (†) 76   (2.5) 593   (5.2) 22   (2.5) 592   (7.2) 124   (1.0) 13   (0.1)
                                                     
Slovenia 16   (0.2) 94   (1.0) 500   (2.3) 6   (1.0) 513   (8.2) #   (†)   (†) 113   (0.4) 13   (0.1)
Sweden 23   (0.5) 63   (3.6) 488   (2.9) 35   (3.4) 499   (3.7) 2   (1.1)   (†) 93 1  (1.4) 10 1  (0.2)
Syrian Arab Republic 31   (0.6) 24   (3.6) 405   (8.7) 65   (4.2) 391   (4.7) 11   (2.6) 392   (11.3) 76 1  (3.4) 10   (0.4)
Thailand 38   (0.6) 11   (2.4) 406   (11.2) 47   (3.7) 416   (5.7) 42   (3.1) 479   (9.3) 124   (2.3) 10   (0.2)
Tunisia 32   (0.4) 3   (1.2) 398   (6.9) 96   (1.6) 421   (2.4) 1   (1.0)   (†) 126 2  (2.1) 10 1  (0.2)
                                                     
Turkey 33   (0.7) 18   (3.4) 423   (11.7) 61   (3.9) 434   (6.5) 20   (2.7) 436   (11.3) 95   (0.4) 11   (0.3)
Ukraine 25   (0.4) 36   (3.2) 447   (6.4) 63   (3.1) 471   (4.8) 1   (0.8)   (†) 130   (2.0) 15   (0.2)
United States3,8 24   (0.4) 57   (2.3) 511   (4.0) 41   (2.3) 506   (5.0) 2   (0.9)   (†) 148 2  (2.3) 13 2  (0.2)
†Not applicable.
#Rounds to zero.
‡Reporting standards not met.
1 Data are available for at least 70 percent but less than 85 percent of students.
2 Data are available for at least 50 percent but less than 70 percent of students.
3 Met guidelines for sample participation rates only after substitute schools were included.
4 National Target Population does not include all of the International Target Population defined by the Trends in International Mathematics and Science Study (TIMSS).
5 Hong Kong is a Special Administrative Region (SAR) of the People's Republic of China.
6 National Defined Population covers less than 90 percent of National Target Population (but at least 77 percent).
7 Kuwait tested the same cohort of students as other countries, but later in 2007, at the beginning of the next school year.
8 National Defined Population covers 90 to 95 percent of National Target Population.
NOTE: Class size and implemented instructional time for mathematics provided by teachers; total instructional time provided by schools. TIMSS scores are reported on a scale from 0 to 1,000, with the scale average fixed at 500 and the standard deviation fixed at 100. Countries were required to sample students in the grade that corresponded to the end of 8 years of formal schooling, providing that the mean age at the time of testing was at least 13.5 years. Detail may not sum to totals because of rounding. Standard errors appear in parentheses.
SOURCE: International Association for the Evaluation of Educational Achievement (IEA), Trends in International Mathematics and Science Study (TIMSS), 2007, TIMSS 2007 International Mathematics Report, by Ina V.S. Mullis et al. (This table was prepared June 2009.)

2009 Tables and Figures All Years of Tables and Figures Most Recent Full Issue of the Digest