Past research suggests that it is common for teachers to draw on multiple instructional materials even when their school or district recommends, requires, or provides them with a specific curriculum. While teachers likely draw on a variety of resources to address changing and diverse student needs, studies show that teacher-selected materials can…

The purpose of the addendum is to document the findings from the Year 2 student achievement analyses of a teacher-level randomized experiment, which was designed to examine the implementation and impact of a scalable version of the 2-year MyTeachingPartner Secondary (MTP-S) program as part of a federally-funded Education Innovation and Research…

Many district-led summer learning programs are at the intersection of in-school and out-of-school time (OST) learning. These summer programs play a critical role in providing students with academic supports and enrichment during the summer months. Districts offer a range of program types, but most are motivated by district and state policies…

Using testing data from 2.1 million students in 10,000 schools in 49 states (plus D.C.), we investigate the role of remote and hybrid instruction in widening gaps in achievement by race and school poverty. We find that remote instruction was a primary driver of widening achievement gaps. Math gaps did not widen in areas that remained in-person…