“…Indeed, a large body of research suggests that socioeconomic and racial/ethnic segregation between schools is a key factor contributing to academic inequality (Mickelson, 2015;Owens, 2018;Phillips & Chin, 2004;Reardon, 2016aReardon, , 2016bRumberger & Willms, 1992). Multiple explanations have been offered for why school composition might matter for student achievement, including disparities in economic, social, and cultural capital (Bridwell-Mitchell, 2017;Li & Fischer, 2017); the so-called peer contagion effects associated with education-related norms, values, and behaviors (Jencks & Mayer, 1990;Nomi & Raudenbush, 2016;Palardy, 2013;Wilkinson, 2002); and the quality of instruction and curriculum (Dreeben & Barr, 1988;Goldhaber, Lavery, & Theobald, 2015;Lankford, Loeb, & Wyckoff, 2002;Palardy, 2015).…”