Children are assigned to groups determined equally by age level and development ¿ INFANTS/TODDLERS: 2 groups (newborns up to age 2), based on age and mobility. ¿ INFANT ROOM: Children remain here until they are crawling well or beginning to walk. ¿ TODDLER GROUP: Children are transferred when mobile enough to be moved, and remain in the toddler group until age 2. ¿ 2 YEAR OLDS: Children remain here until completely potty-trained. A child over the age of 2 who IS NOT potty trained will be able to attend pre-school class with the 3 year-olds for 1 1/2 hours in the morning, BUT will remain in the 2 year old group for the remainder of the day's activities. ¿ 3-5 YEAR OLDS: When enrollment is sufficient for two teachers, one group for 3s/young 4s and another for older 4s/5 year-olds will be ma