Growing & Learning Through Early Education Lealla BroadheadProgramCoordinator(403) 664-2255 Ages 0 to 5 are the most critical years for development. Early Childhood Development impacts lifelong health, learning, well-being and behavior. Early development is categorized by 5 categories: 1. Physical Health and Well-Being 2. Social Competence 3. Communication Skills & General Knowledge 4. Emotional Maturity 5. Language & Thinking Skills