While policymakers have demonstrated considerable enthusiasm for "science of reading" initiatives, the evidence on the impact of related reforms when implemented at scale is limited. In this pre-registered, quasi-experimental study, we examine California's recent initiative to improve early literacy across the state's lowest-performing…

This study compares average SAT 9 reading scores of second through fifth grade English-only children in schools using "Open Court" (a program for teaching young children to read) with the scores of comparable schools using non-scripted programs in one very large urban school district in California. Findings show that schools using…

A study examined specific reading competencies after participating in Hmong literacy instruction in an after-school setting in the Thermalito, California School District, grades kindergarten through 4. Control and treatment groups were established to compare the English literacy skills of the Hmong students who participated in 40 hours of primary…

A study investigated the effectiveness of an adapted Writing to Read (WTR) program that focused on the writing process and included the "Stories and More" software for literature-based emphasis. Over 1000 writing portfolio samples were collected from kindergarten through second grade students in 29 classrooms in 6 California school…