A. Pengertian Professional Learning Community (PLC)
Pengertian Professional Learning Community (PLC) menurut Australian Institute for Teaching and Leadership, “A professional learning community (PLC) in schools involves collaboration, sharing and ongoing critical interrogation of teaching practices in line with professional standards. PLCs should be learning-oriented and promote the growth of teachers and students”. Johar Permana dan Asep Suryana (2016) mengemukakan bahwa Professional Learning Community (PLC) merupakan proses akuisisi pengetahuan yang dilaksanakan melalui proses inquiry secara kolaboratif dalam memecahkan masalah yang bersumber dari pekerjaannya yang indikasinya dapat ditelusuri dari kebutuhan belajar guru yang bersumber pada kepentingan proses belajar mengajar dan pengalaman belajar guru dilaksanakan secara kolaboratif. Karakteristik kunci dan unsur komunitas belajar profesional mencakup lima domain:
a. professional culture
b. leadership
c. focus on students
d. focus on professional learning; and
e. performance and development.