Several organizations have developed principles for family engagement in childcare. One of the most widely recognized set of best practice principles for family engagement is from the National Association for the Education of Young Children (NAEYC; see Table 1), which includes principles such as partaking in two-way communication with parents and involving parents in programme level decision making. However, little research has jointly examined and compared parent's perceptions of best practice strategies childcare providers may be using to engage parents in healthy eating and physical activity (National Association for the Education of Young Children [NAEYC], n.d.-a; Dwyer et al., 2008; Vandeweghe et al., 2016). Therefore, it is unknown to what extent providers are utilizing best practice principles and how parents are being involved within childcare for health promotion through practices described by the NAEYC. A better understanding of these perceptions and whether there is alignment between parents and providers could help to develop resources to increase family engagement and encourage greater consistency in health promotion practices between caregivers. Therefore, the purpose of this study was to compare childcare provider and parent perceptions of communication regarding healthy eating and physical activity as well as use of best practice strategies on family engagement for these topics. (author abstract)