“…Much bilingual research, however, has been conducted in multilingual or two‐languages‐in‐the‐curriculum contexts and has focused, in essence, on testing the higher level TH by comparing low‐ versus high‐level bilinguals (e.g., Andreou & Karapetsas, 2004; Lee & Schallert, 1997; Schoonen, Hulstijn, & Bossers, 1998) or “balanced” bilinguals versus monolinguals (e.g., Costa, Hernández, & Sebastián‐Gallés, 2008; Kormi‐Nouri et al, 2008) on a number of cognitive, metacognitive, and academic outcome measures. With some notable exceptions (see a body of work by Bialystok and colleagues conducted in Canada; e.g., Bialystok, 1986, 1999; Bialystok, McBride‐Chang, & Luk, 2005), research on the correlates of bilingualism with regard to ELLs—particularly in nonbilingual educational environments in the United States—remains limited (see Adesope et al, 2010).…”