Much research has noted the misalignment between kindergarten through 12th grade (K-12) academic standards and curriculum materials used in classrooms. Many states and education organizations have been pushing for greater use of standards-aligned curriculum, especially during the past several years. In this report, the authors share results…

This technical report provides detailed information about the sample, survey instruments, and resultant data for the 2022 American Instructional Resources Surveys (AIRS) that were administered to principals and teachers in spring 2022 via the RAND Corporation's American Educator Panels (AEP). The 2022 AIRS focused on the usage of, perceptions of,…

This appendix provides additional details on the underlying data, statistical models, and results presented in "The Big Lift Descriptive Analyses: Progress across Three Kindergarten Classes." First the authors describe how they created each control and outcome variable and its source (e.g., parent report), followed by an overview of the…

The Big Lift™ (Big Lift), a collective impact initiative extending from preschool through third grade in San Mateo County, California, aims to boost reading proficiency and kindergarten readiness through four programmatic pillars: High-Quality Preschool, Summer Learning, Attendance, and Family Engagement. In this report, the authors present…

This study uses data from the Early Childhood Longitudinal Study, Kindergarten Class of 1998-1999 (ECLS-K) to examine how children's skills and knowledge at kindergarten entry predict their achievement in later grades. It extends previous research by examining longer-term achievement outcomes, namely test scores at the end of fifth grade, and…

There is considerable debate about the relative importance of family versus school factors in producing academic and nonacademic student outcomes, and whether and how their impacts vary across different student groups. In addition to critically reviewing and synthesizing earlier work, this study extends the literature by (a) using the ECLS-K, a…