Assess students' ability to develop a complete cluster-randomized controlled trial protocol to evaluate a culturally tailored, school-based multicomponent intervention to reduce adolescent obesity in low-resource urban settings; require clear hypotheses, justified sample size and power calculations accounting for ICC, primary and secondary outcome definitions, detailed intervention components, statistical analysis plan (including clustering and missing data), mixed-methods process evaluation framework, ethical/stakeholder considerations, and a feasible dissemination and scale-up strategy.