“…Notably, the #NGSSchat community on Twitter was initiated in 2012 as a professional learning network focused on the NGSS (Shelton & Ende, 2015), and this informal professional learning community has been a consistent feature of the broader landscape in which the NGSS was adopted and implemented through the present. Prior research has shown that #NGSSchat is a robust network (Carpenter et al, 2020) that functions like other, traditional networks, by facilitating substantive interactions among individuals in different professional roles (i.e., researchers, administrators, and teachers; Rosenberg, Reid, et al, 2020), and that networks on social media may play a role for teachers' professional development, and thus relations to their teaching practice (Fischer et al, 2019;Rosenberg, Reid, et al, 2020). Thus, professional networks organized around professional organizations may have supported the implementation of the NGSS and the #NGSSchat community may have shaped the conversation around the standards.…”