Several state policies link high-stakes consequences to teacher evaluations, which tend to be heavily weighted by observation scores. However, research has only recently investigated the validity of these scores in field settings. This study examines the sensitivity of teacher observation scores to the number of observations assigned by state…

Numerous studies document the inequitable distribution of teacher quality across schools. We focus instead on the distribution of principal quality, examining how multiple proxies for quality, including experience, teachers' survey assessments of leaders, and rubric-based practice ratings assigned by principals' supervisors, vary by measures of…

In recent years, states have significantly expanded access to prekindergarten (pre-K), and federal policy makers have proposed funding near-universal access across the country. However, researchers know relatively little about the role of subsequent experiences in prolonging or truncating the persistence of benefits for participants. This study…