Online Diploma in Early Childhood Education: Enroll in an online diploma program in early childhood education (E.C.E.) to experience the joys and challenges of working with young children. You will learn how to care for and teach children by studying foundational courses in the physical, psychological, and intellectual development of children. Additional classes expand upon efficiency in the preschool and child care environment, working successfully with children, increasing parental involvement, managing a child care facility and more. Online early childhood education diploma programs generally take a few weeks to a few months to complete and are a great path to a fast-growing career.