Infant - 6 months to 12 Months Toddler - 13 Months to 17 Months Playgroup - 1.5 / 2 to 2.5 / 3 years Nursery - 2.5 / 3 to 3.5 / 4 years LKG - 3.5 / 4 to 4.5 / 5 years UKG - 4.5 / 5 to 5.5 / 6 years