The document discusses the increasing need for all U.S. teachers to effectively teach English learners (ELs) as their numbers are projected to double by 2050, emphasizing the importance of comprehensive teacher preparation programs. It explores various curricular approaches, including stand-alone courses and infusion models, that incorporate ESL content into teacher education, highlighting challenges faced by faculty and the development of Faculty Learning Communities (FLCs) to support professional development. The findings suggest that collaboration and targeted support from ESL specialists are critical for enhancing ESL teacher preparation and curriculum integration.