Preparation and professional development can help principals be more effective leaders, but little research has examined what specific approaches are most useful. A study of 462 California principals and the teachers and students in their schools shows that high-quality preservice preparation for principals is associated with stronger teacher…

A growing body of research points to the substantial influence of principals on school conditions and students' learning. But how can principals learn to be good leaders? And are there professional learning strategies that make a difference in principal effectiveness? This study, which is part of a larger project synthesizing the research on…

Decades of research show that fully certified and experienced teachers matter for student achievement. Yet, providing all students with equitable access to such teachers has long been a struggle in U.S. schools. This report analyzes data from the U.S. Department of Education's two most recent years of the biannual Civil Rights Data Collection…

Addressing teacher turnover is critical to stemming the country's continuing teacher shortages. It is also important for school effectiveness, as the academic and financial costs of teacher turnover to student learning and district budgets are significant. Using the most recent nationally representative data from the National Center for Education…

"Inequitable Opportunity to Learn: Access to Advanced Mathematics and Science Courses" is the second in a series of Learning Policy Institute reports analyzing data primarily from the U.S. Department of Education's Civil Rights Data Collection (CRDC). This report uses the most recent CRDC data from 2017-18. The CRDC includes data on a…

This brief summarizes lessons from "positive outlier" districts in California that have excelled at helping African American, Latino/a, and White students achieve at high levels on new assessments of academic standards in English language arts and mathematics, after accounting for students' socioeconomic status. Drawing on case studies…

The long-standing effort to desegregate schools in the United States has been fostered, in part, by the development of magnet schools, which were launched in the 1960s to offer appealing choices of educational programs that could attract an integrated population of families. Magnet schools are public elementary or secondary schools that seek to…

This brief summarizes the practices of successful, instructionally engaged leaders and the ways districts develop these leaders. These practices are drawn from "positive outlier" districts in California that have excelled at helping African American, Latino/a, and White students achieve at high levels on assessments of academic standards…

Despite wide achievement gaps across California between students from different racial and socioeconomic backgrounds, some school districts have excelled at supporting the learning of all their students. This analysis identifies these positive outlier districts--those in which students of color, as well as White students, consistently achieve at…

The explosion of knowledge and the growing complexity of modern life are changing expectations for what young people need to learn and be able to do. Success in the 21st century does not depend solely on what people know, but also on what they can do with what they know. In this report, the authors summarize the results of a quantitative analysis…

In 1968, the Kerner Commission Report concluded that the nation was "moving toward two societies, one black, one white--separate and unequal." Without major social changes, the Commission warned, the U.S. faced a "system of apartheid" in its major cities. Today, 50 years after the report was issued, that prediction…

Despite the American promise of equal educational opportunity for all students, persistent achievement gaps among more and less advantaged groups of students remain, along with the opportunity gaps that create disparate outcomes. However, the recent passage of the Every Student Succeeds Act (ESSA) represents an opportunity for the federal…

In a January 2016 report on teacher shortages in California, "Addressing California's Emerging Teacher Shortage: An Analysis of Sources and Solutions," the Learning Policy Institute found that there were too few qualified California teachers to meet the growing demand of school districts across the state. A fall 2016 survey of more than…

With the U.S. facing a national teacher shortage that is projected to grow substantially in the coming years, school systems across the country are grappling with the challenge of building and maintaining a high-quality teacher workforce for all students. While school leaders and policymakers might be tempted to solve shortages by focusing solely…

Without changes in current policies, U.S. teacher shortages are projected to grow in the coming years. Teacher turnover is an important source of these shortages. About 8% of teachers leave the profession each year, two-thirds of them for reasons other than retirement. Another 8% shift to different schools each year. In addition to aggravating…