In many school districts, the policies that regulate teaching personnel are governed by collective bargaining agreements (CBAs). While there is significant policy attention that has affected the scope of these agreements, there is relatively little research on how CBAs vary over time, or whether they change in response to states' legislative…

In recent years, some U.S. school districts have shifted away from direct management of schools, toward systems in which some or all schools operate under enhanced autonomy, accountability, and parental choice. Yet dynamics driving these changes are understudied, and there are few comparative studies of system-level governance shifts. To address…

Novice teachers' professional contexts may have important implications for their effectiveness, development, and retention. However, due to data limitations, descriptions of these contexts are often unidimensional or vague. Using 10 years of administrative data from the Los Angeles Unified School District, we describe patterns of new teacher…