Although research related to the Science of Reading has documented the positive effects of explicit, systematic reading instruction for all students, students from historically marginalized groups often experience differential opportunities to learn and are likely to perform lower than their peers on large scale measures of reading achievement.…

As educational institutions have recognized growing educational inequities in traditional educational environments, more and more schools are turning to personalized learning as a solution. This mixed-methods, explanatory sequential design sought to determine to what extent elementary school students demonstrate growth in mathematics after one…

This three-year longitudinal study tracked the reading performance of 68 kindergarten students from low SES backgrounds. These students received instruction with a blended learning program--Lexia® Core5® Reading--from the start of kindergarten through second grade. During each school year the students made significant gains on a standardized…

This report examines how students are performing across the entire 2020-2021 school year in reading and mathematics during the pandemic. Based on insights from millions of student assessments, the report explores key questions effected by COVID-19 in education, including: (1) How much did students grow during the 2020-2021 school year compared…

California has the largest share of the English Language Learner (ELL) student population in the U.S., and it continues to grow. English Language Learners are the fastest growing group in the public school population and they are underachieving. The purpose of this study was to evaluate the longitudinal changes in the performance of English…

This issue brief focuses on one particular report, released in September 2009, that has been widely cited by charter school advocates because it appears to show remarkable results. In the report, "How New York City's Charter Schools Affect Achievement," Stanford University professor Caroline Hoxby and her colleagues Sonali Murarka and…

The authors conducted a quasi-experimental investigation of effects on achievement by grade-level teams focused on improving learning. For 2 years (Phase 1), principals-only training was provided. During the final 3 years (Phase 2), school-based training was provided for principals and teacher leaders on stabilizing team settings and using…

The Seattle Public Schools serve one of the most diverse student bodies in the nation. The school system's enrollment represents many racial and ethnic groups and includes students from around the world who come to Seattle speaking many languages and families who came to the city generations ago. The challenge facing Seattle and all other major…