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Although cross-national evidence suggests that decentralization of educational governance is positively related to student achievement, related research often fails to recognize the separate roles and influences of governments, school boards, principals, and teachers. We use data from the 2015 Programme for International Student Assessment to examine school leaders' perceptions of governance arrangements across 68 countries and to assess whether differences in perceived governance patterns are significantly related to differences in student achievement. We find that although school governance arrangements vary substantially across countries, increases in teacher decision-making responsibilities are consistently and positively related to student achievement in math, reading, and science, all else equal. Furthermore, controlling for school principals' leadership style does not fundamentally change the positive and significant relationships between teacher decision making and student achievement, suggesting that the impact of teachers may be independent of school principals' attitudes and actions. [ABSTRACT FROM AUTHOR]

Background: Although most research on teacher sorting has taken place in the United States, where teacher distribution favors more advantaged children, there is some evidence that the distribution of teachers across schools is much more equitable in South Korea. This is the first study to directly compare teacher distribution across schools and classrooms in the two countries. Research Questions: Our research questions are: (1) Are teachers in lower secondary schools distributed evenly across schools in South Korea and the United States? (2) Are teachers in lower secondary schools distributed evenly across classrooms in South Korea and the United States? (3) How does assignment of teachers to classrooms within schools differ in South Korea and the United States?. Research Design: We use data from the 2013 Teaching and Learning International Survey to examine the distribution of teachers across regions, schools, and classrooms in the United States and South Korea. To answer our research questions we employ a range of quantitative techniques, ranging from simple descriptive statistics and Gini indices of teacher variables, to multinomial and ordered logistic regressions of school and classroom conditions on key teacher quality variables. Results: We find that across schools, inequitable teacher sorting patterns are more pronounced in the United States. In both countries teacher sorting is more pronounced across classrooms than across schools; specifically, teachers with more total experience are less likely to teach in classrooms with higher concentrations of economically disadvantaged students and students with behavioral problems. Further, U.S. teachers with more years of experience in their current schools are less likely to receive assignments in classrooms with more language minority students, economically disadvantaged students, and students with special needs. Conclusions: We conclude that South Korea can provide lessons to the United States to help reduce inequities in disadvantaged children's access to qualified teachers across schools through policies like centralized assignment of teachers, incentives to teach in difficult-to-staff schools, and mandatory rotation of teachers across schools. In terms of cross-classroom teacher sorting, our results signal a warning for policy makers in both countries. We argue that the most effective way to reduce within-school teacher sorting is to better integrate language-minority, low-income, and special-needs students into classrooms so that teaching conditions do not differ significantly across classrooms, and teachers have fewer options to sort across. [ABSTRACT FROM AUTHOR]

Although substantial evidence from the United States suggests that more qualified teachers are disproportionately concentrated in the schools and classrooms of academically and socioeconomically advantaged children, it is not clear whether the problem of teacher sorting is global in scope. This study uses data from the 2013 Teaching and Learning International Survey to examine whether and how school- and classroom-level teacher distribution patterns vary across 32 education systems with diverse national contexts and education policies. We find that cross- and within-school teacher sorting is common in most countries but within-school sorting is more pronounced in higher income countries. We also identify several national policy variables that are significantly related to both cross-school and cross-classroom sorting of teachers. [ABSTRACT FROM AUTHOR]

The international and comparative education literature is not in agreement over the role of schools in student learning. The authors reexamine this debate across 25 diverse countries participating in the fourth-grade application of the 2003 Trends in International Mathematics and Science Study. The authors find the following: (a) In most cases, family background is more important than schools in understanding variations in student performance; (b) schools are nonetheless a significant source of variation in student performance, especially in poor and unequal countries; (c) in some cases, schools may bridge the achievement gap between high and low socioeconomic status children. However, schools' ability to do so is not systematically related to a country's economic or inequality status. [ABSTRACT FROM AUTHOR]