This book is born from personal experiences and the deep realization that comprehensive sexuality education must begin in early childhood—not as an afterthought in adolescence. Identity formation starts in the elementary years, and when children face abuse or confusion without the tools to understand or express themselves, it often leads to shame, silence, and long-term psychological harm.Sex education is frequently misunderstood as merely biological instruction or awareness about protection. In truth, it encompasses much more: it’s about teaching children to understand their own bodies, respect personal boundaries, recognize inappropriate behavior, and develop healthy attitudes about gender, consent, and relationships. It lays the groundwork for self-esteem, agency, and emotional resilience.Under the mentorship of Professor Reetinder Brar, and driven by a vision to fill this critical gap, we developed a culturally sensitive and developmentally appropriate sexuality education curriculum for children aged 3 to 12. We encountered numerous challenges—most notably, the absence of a suitable assessment scale and the societal resistance often attached to this topic. Yet we persisted. We created our own scale, conducted a needs assessment, identified critical knowledge and attitude gaps, and from there built a comprehensive, evidence-informed curriculum.This book presents that journey. It includes the theoretical framework, the methodology behind the curriculum design, the newly developed assessment scale, and the curriculum itself complete with structured modules for early and middle childhood. It is intended as a resource for educators, researchers, child development professionals, and anyone committed to creating safer, healthier environments for children.