This chapter describes the role of the online learning community named OLC4TPD (Online Learning Community for Teacher Professional Development) in building professional capacity of Indonesian teachers. OLC4TPD was contextually built to address the challenges of teacher professionalism in Indonesia, which has contributed significantly to students’ learning outcome. As an independent informal online learning community, OLC4TPD plays a unique role in schools’ professional learning community.
The authors investigate the role of OLC4TPD from different pillars that hold the professional learning community edifice. The four pillars are (1) collaborative teamwork, (2) teacher capacity, (3) leadership capacity, and (4) professional development. The chapter explains this unique role by showcasing several authentic examples on how OLC4TPD has improved professional capacity of teachers and teacher educators in an Indonesian context