“…Teacher development was also established through collaborative learning, for instance through collaborative discussion (Reeves & Chiang, 2018) and collaboration in data teams between colleagues, such as school leaders and a data expert from the same school (Kippers et al, 2018), teacher collaboration in professional learning communities (PLCs) (Ebbeler et al, 2017;Supovitz & Sirinides, 2017) or networked communities (Lai et al, 2009;McNaughton et al, 2012). Collaboration also took place in the format of data teams through PLCs, consisting of four to six teachers, one to two school leaders (e.g., team leaders), and a quality care manager.…”