Birth to 24 months – 1 educator to 4 children
24 to 36 months – 1 educator to 5 children
36 months to preschool age – 1 educator to 10 children
Over preschool age – 1 educator to 15 children
Use ACECQA’s  for centre-based services to understand the number of educators required to meet minimum ratios.
Staff must be working directly with children to be counted in ratios ().
Mixed age groups
Centre-based services operating rooms with mixed age groups must ensure they are maintaining the minimum numbers of educators required under the ratio for each age range to comply with the National Law and Regulations (.
For more information on mixed age ratios in centre-based services, refer to the