“…Since decentralization also reduces government control over the social goals of education, including equity for and support of local families, a focus on high-risk populations, as well as average effects, is important (Carnoy et al, 2005; Parry, 1997). Our study adds to a small but growing body of literature that focuses on the supply of education services in districts with a large number of charter schools (e.g., Arce-Trigatti, Harris, Jabbar, & Lincove, 2015; Winters, 2015; Winters, Carpenter, & Clayton, 2017), how school leaders make decisions about providing services in competitive environments (e.g., Jabbar, 2015a, 2015b), and the implications of both for students in school districts with market-based reforms. Studies by Winters (2015) and Winters et al (2017) focus on mandatory educational services for special education students and find important differences in how charter schools identify students for special education services.…”