As many as 1 in 7 children in Canada has asthma.1–3 These children often experience poor disease control, with emergency department visits, hospital admissions, missed school days, and low quality-of-life ratings.3–11 Evidenced-based guidelines highlight that appropriate prescription of controller medications, guided by standardized assessments, and asthma education to increase child and parental understanding and compliance, can achieve better disease control and reduce emergency department...