Purpose The purpose of this paper is to summarize the key findings from a critical review of
relevant US research to determine whether teachers, on average, improve in their …

Do teachers continue to improve in their effectiveness as they gain experience in the
teaching profession? This paper aims to answer that question by critically reviewing recent …

When the original Visible Learning® was published in 2008, it instantly became a publishing
sensation. Interest in the book was unparalleled; it sold out in days and was described by …

Teacher coaching has emerged as a promising alternative to traditional models of
professional development. We review the empirical literature on teacher coaching and …

High teacher turnover imposes numerous burdens on the schools and districts from which
teachers depart. Some of these burdens are explicit and take the form of recruiting, hiring …

This study draws upon survey and administrative data on over 9,000 teachers in 336 Miami-
Dade County public schools over 2 years to investigate the kinds of collaborations that exist …

Situated in the context of the Advanced Placement curriculum reform in the sciences, this
quantitative study validates selected elements of Desimone's (2009) conceptual framework …

We study the relationship between school organizational contexts, teacher turnover, and
student achievement in New York City (NYC) middle schools. Using factor analysis, we …

Although wide variation in teacher effectiveness is well established, much less is known
about differences in teacher improvement over time. We document that average returns to …

Researchers agree that teachers are one of the most important school-based resources in
determining students' future academic success and lifetime outcomes, yet have …