The goal of this study is to develop and test system-level interventions to accelerate the adoption of CER evidence on childhood obesity screening and management, and ultimately improve obesity-related health care quality and outcomes. To achieve this goal, the investigators will work with two health care systems in Massachusetts with strong track records of research collaboration: Cambridge Health Alliance (CHA), an integrated academic public health system, and Harvard Vanguard Medical Associates (HVMA), a large multi-site group practice. Both systems use an electronic medical record for all aspects of ambulatory care, including point of care services such as electronic order entry and centralized functions such as patient scheduling.