The 50th Annual Conference of the Research Council on Mathematics Learning (RCML) will be held in Las Vegas, Nevada at the Alexis Park All-Suite Resort (conference hotel information). Refracting is defined as serving or tending to refract or turning from a direct course. Hence this year's conference theme is: Reflecting on the Past, Refracting into the Future. This year we hope to reflect on our past as we direct our path into the future, rather than maintaining the status quo. The purpose of the RCML conference is to share current research in mathematics education, and within this context we ask all potential presenters to submit scholarship that reflects on the past and provides directions for the future of mathematics learning. RCML prides itself on supporting faculty and advanced graduate students as they report on finished findings, share about works-in-progress, and engage in and be receptive to constructive comments on preliminary framings/findings.