English learner (EL) children (i.e., children learning English as a second language) constitute one of the fastest growing, yet disproportionately underachieving, segments of the U.S. public-school population. A main difficulty that ELs face at school is learning English and content-area knowledge in tandem. Low levels of English proficiency may…

Dual language and immersion (DLI) instruction at the secondary level is a particular challenge, as teachers are tasked with teaching abstract, cognitively complex content while supporting students in continuing to develop their partner language proficiency. This content and language integration requires a unique skill set and knowledge base, but…