“…A general advantage in English proficiency has been repeatedly reported for learners enrolled in CLIL programs when compared to learners who only receive EFL lessons (Dalton-Puffer, 2008). In the Spanish context, CLIL students have been shown to surpass non-CLIL students in reading comprehension (Lorenzo, Casal & Moore, 2010;Navés, 2011;Pérez-Vidal & Roquet, 2015;Prieto-Arranz, Rallo Fabra, Calafat-Ripoll & Catrain-González, 2015), vocabulary (Jiménez-Catalán & Ruiz de Zarobe, 2009;Moreno Espinosa, 2009), fluency, and lexical and syntactic complexity in written productions (Gené-Gil, Juan-Garau, & Salazar-Noguera, 2015;Lasagabaster, 2008;Lorenzo et al, 2010;Navés & Victori, 2010;Pérez-Vidal & Roquet, 2015;Ruiz de Zarobe, 2010). CLIL has also been shown to improve oral production (Lasagabaster, 2008;Lorenzo et al, 2010;Ruiz de Zarobe, 2008) and metacognitive awareness for selecting appropriate learning strategies (Ruiz de Zarobe & Zenotz, 2012.…”