Rachanee Dersingh completed her PhD in Linguistics from Chulalongkorn University, Bangkok. Currently, she is a lecturer at the School of Liberal Arts, King Mongkut’s University of Technology Thonburi. She engages in training schoolteachers to undertake Exploratory Action Research (EAR) as part of their professional development. Her research interests include language maintenance, language choice, linguistic landscape, translanguaging and English language teaching.