Hispanic/Latino children represent 38% of the enrollment in Head Start preschool programs across the United States, and about 85% of those children are from Spanish-speaking families (Office of Head Start, 2016). Dual language learners (DLLs), in this case Spanish-speaking preschoolers learning English as a second language, are at high risk of later academic and reading difficulties in English (National Center for Education Statistics, 2015). Over 80% of fourthgrade Hispanic children and 92% of fourth-grade English language learners read below a proficient level (National Center for Education Statistics, 2015). This group of students is disproportionately placed into special education in the United States (Denton, West, & Walston, 2003). Although the majority of them do not have language-related disorders, their reading performance in English is not meeting expectations. For children's whose first language is Spanish, there is growing evidence to suggest dual language instructional approaches can lead to greater academic achievement and proficiency in their second language (