How can an early childhood education center help prepare your toddler for kindergarten? Even though your two-year-old won't start elementary school for a few years, take a look at what parents need to know about toddler learning, development, and the childcare or preschool environment. Does Your Toddler Have To Go To Preschool? No, there is no mandatory government requirement for toddlers to attend preschool or early learning programs. Compulsory school attendance laws vary by state.