RecruitingBehavioural interventionM3-JIA: Making Mindfulness Matter for Children With JIAThe investigator will evaluate the efficacy of M3©, an intervention for patients with JIA and their caregivers. Children with Juvenile arthritis and their parents will attend an 8 week online program called Making Mindfulness Matter (M3). This is a facilitator-led program that integrates knowledge and skills related to mindfulness, social-emotional learning, neuroscience, and positive psychology to promote coping and resiliency for children and families in context of the challenges of pediatric chronic disease. The child program is designed for children 4-12 years of age, with each lesson including a variety of concrete ways to teach children skills based on their age/developmental level.