The purpose of this assignment is to engage an institutional contractor to develop age-appropriate Climate Resilient WASH education packages for children in grades 1–4 and grades 5–11, together with teacher training manuals, facilitation guides and a comprehensive Training of Trainers package for selected CR-WASH Master Trainers. The materials shall promote positive hygiene behaviours, safe water use, sanitation, handwashing, menstrual hygiene management, climate-resilience awareness, environmental sustainability, solid-waste management, emergency preparedness and inclusive WASH practices through child-friendly, participatory and behaviour change-focused approaches. The assignment shall establish a practical, sustainable and scalable capacity-building model that can be integrated into the national WASH in Schools programme and replicated beyond the initial target regions