The mental health needs of children in low-and-middle income countries (LMICs) often go unmet due to a lack of qualified mental health professionals. Task-shifting the provision of mental health services to teachers may facilitate access to care. Family engagement in task-shifting may support mental health outcomes but is understudied in this context. The current study explored teacher and caregiver perceptions of family engagement within a teacher-led, task-shifted mental health intervention in an LMIC. Primary school teachers from five schools in Darjeeling, India delivered evidence-based, indicated mental health care to children with mental health needs throughout the school day. We conducted semi-structured interviews (SSIs) with teachers (n=17) and caregivers (n=21). SSIs were coded for themes related to family engagement. Teachers and caregivers were compared based on perceived levels of engagement. Participants reported three patterns of engagement: families who fully engaged; families who felt positively about teachers but displayed little engagement; and families with limited engagement. Barriers included logistical challenges and misconceptions about the programme. Many teachers implicated family engagement as a facilitator of the programme, suggesting that family involvement may support intervention outcomes. Future work could involve the development of an intervention component to better facilitate engagement in this context.