New students 1 month 2 months 3 months 4 months 5 months 6 months 7 months 8 months 9 months 10 months 11 months 12 months 13 months 14 months 15 months 16 months 17 months 18 months 19 months 20 months 21 months 22 months 23 months 23 months 2 years old 3 years old 4 years old 5 years old 6 years old 7 years old 8 years old 9 years old 9 years old 10 years old 11 years old 12 years old 13 years old 14 years old
