The authors compare school motivation in Kenya and Italy, two countries that differ in terms of socioeconomic conditions, structure of the school system, and access to education. Free primary education is indeed a recent attainment for Kenyan students. The participants, 449 Kenyan and 480 Italian students, 9-14 years old and attending Grades 4-8,…

This article examines how international differences in age-grade distributions and grade effects contribute to science scores among 27 Organization for Economic Cooperation and Development countries. As shown in the 2006 Program for International Student Assessment, countries vary substantially in the grade distribution of 15-year-olds. The costs…

Results showed hardly any differences in time-on-task behavior between third and fourth grade pupils in mixed age single age mathematics and language arts classes in the Netherlands. Students in mixed age classes spent more time working individually. The ability level of the students had little impact on time-on-task behavior. (Author/RM)