Wyoming Childcare Staff-to-Child Ratios (2026)

In Wyoming, the maximum staff-to-child ratio for the Infants (birth to 12 months) age group is 1:4 (1 staff); 2:8 (2 staff); 3:10 max group size.

In Wyoming, the maximum staff-to-child ratio for the One-year-olds age group is 1:5 (1 staff); 2:10 (2 staff); 3:12 max group size.

In Wyoming, the maximum staff-to-child ratio for the Two-year-olds age group is 1:8 (1 staff); 2:16 (2 staff); 3:18 max group size.

In Wyoming, the maximum staff-to-child ratio for the Three- and four-year-olds age group is 1:12 (1 staff); 2:24 (2 staff); 3:30 max group size.

In Wyoming, the maximum staff-to-child ratio for the School age (5+ years) age group is 1:18 (1 staff); 2:32 (2 staff); 3:40 max group size.

In Wyoming, the maximum staff-to-child ratio for the Mixed Age Option 1 age group is 1 staff: 1:8, no more than 2 infants and 2 one-year-olds. 2 staff: 2:15, no more than 4 infants / 4 one-year-olds / 4 two-year-olds / 3 three-year-olds or older.

In Wyoming, the maximum staff-to-child ratio for the Mixed Age Option 2 age group is 1 staff: 1:10, no more than 2 children under age 2.

In Wyoming, the maximum staff-to-child ratio for the Water/swimming — infants & toddlers (birth to 36 months) age group is 1:1 while in the water (adult in direct physical contact with infants; not more than an arm's length from one-year-olds).

In Wyoming, the maximum staff-to-child ratio for the Water/swimming — three to four years old age group is 1:4 while in the water.

In Wyoming, the maximum staff-to-child ratio for the Water/swimming — five years or older age group is 1:6 while in the water.

Under the current Wyoming staff:child ratio and group-size table (WY Child Care Licensing Rules, Chapter 11, Section 2(b), effective April 2026): infants (birth-12 mo) 1:4 / 2:8 / 3:10 (max group 10)

max group 10

one-year-olds 1:5 / 2:10 / 3:12 (max group 12)

max group 12

two-year-olds 1:8 / 2:16 / 3:18 (max group 18)

max group 18

3- and 4-year-olds 1:12 / 2:24 / 3:30 (max group 30)

max group 30

school age (5+) 1:18 / 2:32 / 3:40 (max group 40)

max group 40

group size may be further limited by room/facility capacity.

all 8-10, from the 2014 Table 6-1

NOTE: the draft's group sizes (all 8-10, from the 2014 Table 6-1) are superseded by this revised table.

all 8-10, from the 2014 Table 6-1

What is the infant staff-to-child ratio in Wyoming?

Wyoming requires a staff-to-child ratio of 1:4 (1 staff); 2:8 (2 staff); 3:10 max group size for the Infants (birth to 12 months) age group.

Does Wyoming cap maximum group size?

Under the current Wyoming staff:child ratio and group-size table (WY Child Care Licensing Rules, Chapter 11, Section 2(b), effective April 2026): infants (birth-12 mo) 1:4 / 2:8 / 3:10 (max group 10); one-year-olds 1:5 / 2:10 / 3:12 (max group 12); two-year-olds 1:8 / 2:16 / 3:18 (max group 18); 3- and 4-year-olds 1:12 / 2:24 / 3:30 (max group 30); school age (5+) 1:18 / 2:32 / 3:40 (max group 40); group size may be further limited by room/facility capacity. NOTE: the draft's group sizes (all 8-10, from the 2014 Table 6-1) are superseded by this revised table.

How many staff do I need for my Wyoming classroom?

Divide the number of children in each age group by the maximum ratio shown above, rounding up. Wyoming ratios must be maintained continuously, including during naps, meals, and transitions.