This Working Group builds on the accomplishments of the Working Groups in 2015, 2016, and 2018. We will continue considering multiple aspects of research and practice related to mathematics learning and teaching with English Learners. Our goals for the 2019 Working Group include: (1) sharing an opportunity to publish empirical research related to mathematics and English learners; (2) identifying additional venues for dissemination of mathematics education research on English learners, including novel outlets that connect research to practice; and (3) developing and refining the work that will be shared. In Session 1, the organizers will engage participants in a structured sharing and offer feedback using a protocol. During Session 2, we will engage in a second round of co-working to improve our developing empirical studies. In our final day of the Working Group, we will discuss alternative outlets for sharing our work. We will close with time to review group progress and discuss next steps for our collective and individual work. [For the complete proceedings, see ED606556.]