“…As the field advanced, in states and communities with higher numbers of heritage language learners (HLLs), HL and L2 education became two separate tracks due to their distinctive linguistic goals, needs, and affective factors (Valdés, Fishman, Chávez & Pérez, 2006;Beaudrie, Ducar & Potowski, 2014), with SHL programs gradually expanding throughout the country. However, it is reported that less than half of colleges and universities in 26 states in the US with at least 5% Hispanic enrollment offer separate tracks for Spanish HLLs and L2 learners (Beaudrie, 2012), and even when there exist separate tracks for the introductory and intermediate levels, the two tracks merge into one at the advancedlevel courses (Burgo, 2017;Carreira, 2017). These mixed classes are challenging for many teachers, as they lack the instructional training to manage both groups in one place simultaneously (García & Blanco, 2000;Wilkinson, 2010;Carreira, 2012Carreira, , 2017.…”