“…Past research has demonstrated that discrepancies in educational inputs and instructional processes across schools are linked to differences in academic achievement across groups of students (e.g., Boscardin, Aguirre-Muñoz, Stoker, Kim, & Kim, 2005;Kozol, 2000;Oakes, 1985;Wang, 1998). These findings point to the need to examine achievement scores in light of both the instructional context to which students are exposed and student characteristics that may be associated with performance such as language background, ethnicity, and gender (e.g., Abedi, 2002;Abedi & Lord, 2001;Saxe, Gearhart, & Seltzer, 1999).…”