(4) A class that serves a majority of children who are four and five years old must have no more than 20 children with a teacher and a teaching assistant or two teachers. A double session class that serves a majority of children who are three years old must have no more than 15 children with a teacher and teaching assistant or two teachers. (3) A class that serves a majority of children who are three years old must have no more than 17 children with a teacher and teaching assistant or two teachers. A program must minimize teacher changes throughout a child’s enrollment, whenever possible, and consider mixed age group classes to support continuity of care. Each teacher must be assigned consistent, primary responsibility for no more than four children to promote continuity of care for individual children.
(2) An Early Head Start or Migrant or Seasonal Head Start class that serves children under 36 months old must have two teachers with no more than eight children, or three teachers with no more than nine children.
