The EdResearch for Action "Design Principles Series" focuses on a single program or practice that has been proven to have positive effects on student outcomes. Authors -- leading experts from across the field of education research -- look across many high-quality studies of similar programs to identify the components and conditions that…

Tutoring has emerged as an especially promising strategy for supporting students academically. This study synthesizes 33 articles on the implementation of tutoring, defined as one-to-one or small-group instruction in which a human tutor supports students grades K-12 in an academic subject, to better understand the facilitators and barriers to…

The COVID-19 pandemic has had an unprecedented impact on education systems worldwide, leading to significant learning loss, exacerbating existing educational inequalities and disproportionately affecting disadvantaged students. Governments around the world have begun to invest in large-scale tutoring initiatives as a key component of their…

This study synthesizes existing research on the implementation of tutoring programs which we define as one-to-one or small-group instruction in which a human tutor supports students grades K-12 in an academic subject area. Tutoring has emerged as an especially promising strategy for supporting students' academic success with strong causal evidence…

The COVID-19 pandemic devastated student achievement, with declines rivaling those after Hurricane Katrina. These losses widened achievement gaps between historically marginalized students and their peers. Three years later, achievement remains behind pre-pandemic levels for many students. This paper examines 2022-23 academic recovery efforts…

The No Child Left Behind (NCLB) legislation in the United States is not equivalent to a national curriculum; however, it does set forth some conditions essential for enhancing student achievement at scale (e.g., curriculum standards, assessment standards, and expectations of compliance). The missing component within these conditions is support for…