“…We, as a field, have worked to depict, define, design for, evaluate, make equitable, and explore the value of, versions of epistemic agency for decades (e.g., Barton & Osborne, ; Crawford, ; Gómez Fernández & Siry, ; Lee & Luykx, ; Mensah, ; Varelas, Settlage, & Mensah, ). Moreover, many science educators working on NGSS implementation, across both curriculum development and teacher learning, emphasize the importance of shifting students' roles in knowledge building (Hakuta, Santos, & Fang, ; Lee, Miller, & Januszyk, ; Penuel, Harris, & DeBarger, ; Reiser, ). In our original paper, we chose to juxtapose the goal of shifting students' epistemic roles in knowledge building with the NGSS, because we hoped (and still do hope) that NGSS could work as a lever on this age‐old challenge.…”