“…race/ ethnicity and racism, health literacy, family engagement, immigration, transportation, and school-district policy) front and center in designing data collection, analysis models, interpretation of results, program and policy planning, and involving family and professional perspectives. 4 Likewise, measuring and designing systems that consider the life course is crucial. Doing so can highlight whether the extent of participation, using multiple determinants at different levels, varies over time (see, for example, Public Health England, Health matters: Preventiona life course approach) Longitudinal initiatives, such as the Millennium Cohort Study, are uniquely positioned to consider participation of children with and without disabilities.…”