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Colorado's 2011 TIMSS Results in Grade 8 Science: A Summary


  • Public school students’ average score was 542 at grade 8.
  • Higher percentages of Colorado 8th-graders performed at or above each of the four TIMSS international benchmarks than the international medians. For example, 14 percent of 8th- graders in Colorado performed at or above the Advanced benchmark (625) compared to the international median of 4 percent at grade 8 (see figure 12, Highlights from TIMSS 2011).
  • In Colorado males outperformed females by 11 score points, on average, in science (see figure 14, Highlights from TIMSS 2011). Male and female students in Colorado scored higher, on average, in science than the TIMSS scale average (table 2).
  • White, Asian, and multiracial students’ average scores were higher than the TIMSS scale average. Black and Hispanic students’ average scores were not measurably different (table 2).
  • Students in public schools with at least 10 percent but less than 50 percent of students eligible for free or reduced-price lunch scored higher, on average, than the TIMSS scale average. Average scores of students in public schools in other categories of eligibility for free or reduced-price lunch were not measurably different from the TIMSS scale average, including those in schools where less than 10 percent were eligible.

Suggested Citation: Provasnik, S., Kastberg, D., Ferraro, D., Lemanski, N., Roey, S., and Jenkins, F. (2012). Highlights From TIMSS 2011: Mathematics and Science Achievement of U.S. Fourth- and Eighth-Grade Students in an International Context (NCES 2013-009). National Center for Education Statistics, Institute of Education Sciences, U.S. Department of Education. Washington, DC.

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Table 1. Average science scores of 8th-grade students in Colorado public schools compared with other participating education systems: 2011
Education systems higher than Colorado
Singapore Korea, Rep. of
Massachusetts-USA Japan
Chinese Taipei-CHN Finland
Education systems not measurably different from Colorado
Minnesota-USA England-GBR
Alberta-CAN Indiana-USA
Slovenia Connecticut-USA
Russian Federation North Carolina-USA
Hong Kong-CHN Florida-USA
Education systems lower than Colorado
United States Chile
Hungary Abu Dhabi-UAE
Ontario-CAN Bahrain
Quebec-CAN Thailand
Australia Jordan
Israel Tunisia
Lithuania Armenia
New Zealand Saudi Arabia
Sweden Malaysia
Italy Syrian Arab Republic
Ukraine Palestinian Nat'l Auth.
California-USA Georgia
Norway Oman
Kazakhstan Qatar
Alabama-USA Macedonia, Rep. of
Dubai-UAE Lebanon
Turkey Indonesia
Iran, Islamic Rep. of Morocco
Romania Ghana
United Arab Emirates
SOURCE: International Association for the Evaluation of Educational Achievement (IEA), Trends in International Mathematics and Science Study (TIMSS), 2011.
Table 2. Average science scores in grade 8 for selected student groups in public schools in Colorado: 2011
Reporting groups Average score
TIMSS scale average 500
U.S. average 525 *
Colorado average 542 *
Female 537 *
Male 548 *
White 572 *
Black 507
Hispanic 499
Asian 549 *
Multiracial 552 *
Percentage of public school students eligible for free or reduced-price lunch
Less than 10 percent 534
10 to 24.9 percent 568 *
25 to 49.9 percent 560 *
50 to 74.9 percent 514
75 percent or more 486
*p<.05. Difference between score and TIMSS scale average is significant.
NOTE: Black includes African American and Hispanic includes Latino. Racial categories exclude Hispanic origin. Not all race/ethnicity categories are shown, but they are all included in the U.S. and state totals shown throughout the report. The standard errors of the estimates are shown in table E-13 available at
SOURCE: International Association for the Evaluation of Educational Achievement (IEA), Trends in International Mathematics and Science Study (TIMSS), 2011.